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Use size_t consistently in dsa.{ch}.
Takeshi Ideriha complained that there is a mixture of Size and size_t in dsa.c and corresponding header. Let's use size_t. Back-patch to 10 where dsa.c landed, to make future back-patching easy. Discussion: https://postgr.es/m/4E72940DA2BF16479384A86D54D0988A6F19ABD9%40G01JPEXMBKW04
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@ -65,7 +65,7 @@
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* double this size, and so on. Larger segments may be created if necessary
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* double this size, and so on. Larger segments may be created if necessary
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* to satisfy large requests.
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* to satisfy large requests.
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*/
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*/
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#define DSA_INITIAL_SEGMENT_SIZE ((Size) (1 * 1024 * 1024))
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#define DSA_INITIAL_SEGMENT_SIZE ((size_t) (1 * 1024 * 1024))
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/*
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/*
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* How many segments to create before we double the segment size. If this is
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* How many segments to create before we double the segment size. If this is
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@ -98,7 +98,7 @@
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#define DSA_OFFSET_BITMASK (((dsa_pointer) 1 << DSA_OFFSET_WIDTH) - 1)
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#define DSA_OFFSET_BITMASK (((dsa_pointer) 1 << DSA_OFFSET_WIDTH) - 1)
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/* The maximum size of a DSM segment. */
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/* The maximum size of a DSM segment. */
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#define DSA_MAX_SEGMENT_SIZE ((Size) 1 << DSA_OFFSET_WIDTH)
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#define DSA_MAX_SEGMENT_SIZE ((size_t) 1 << DSA_OFFSET_WIDTH)
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/* Number of pages (see FPM_PAGE_SIZE) per regular superblock. */
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/* Number of pages (see FPM_PAGE_SIZE) per regular superblock. */
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#define DSA_PAGES_PER_SUPERBLOCK 16
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#define DSA_PAGES_PER_SUPERBLOCK 16
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@ -121,7 +121,7 @@
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#define DSA_EXTRACT_OFFSET(dp) ((dp) & DSA_OFFSET_BITMASK)
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#define DSA_EXTRACT_OFFSET(dp) ((dp) & DSA_OFFSET_BITMASK)
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/* The type used for index segment indexes (zero based). */
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/* The type used for index segment indexes (zero based). */
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typedef Size dsa_segment_index;
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typedef size_t dsa_segment_index;
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/* Sentinel value for dsa_segment_index indicating 'none' or 'end'. */
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/* Sentinel value for dsa_segment_index indicating 'none' or 'end'. */
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#define DSA_SEGMENT_INDEX_NONE (~(dsa_segment_index)0)
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#define DSA_SEGMENT_INDEX_NONE (~(dsa_segment_index)0)
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@ -153,9 +153,9 @@ typedef struct
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/* Sanity check magic value. */
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/* Sanity check magic value. */
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uint32 magic;
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uint32 magic;
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/* Total number of pages in this segment (excluding metadata area). */
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/* Total number of pages in this segment (excluding metadata area). */
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Size usable_pages;
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size_t usable_pages;
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/* Total size of this segment in bytes. */
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/* Total size of this segment in bytes. */
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Size size;
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size_t size;
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/*
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/*
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* Index of the segment that precedes this one in the same segment bin, or
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* Index of the segment that precedes this one in the same segment bin, or
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@ -169,7 +169,7 @@ typedef struct
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*/
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*/
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dsa_segment_index next;
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dsa_segment_index next;
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/* The index of the bin that contains this segment. */
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/* The index of the bin that contains this segment. */
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Size bin;
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size_t bin;
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/*
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/*
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* A flag raised to indicate that this segment is being returned to the
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* A flag raised to indicate that this segment is being returned to the
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@ -197,7 +197,7 @@ typedef struct
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dsa_pointer prevspan; /* Previous span. */
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dsa_pointer prevspan; /* Previous span. */
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dsa_pointer nextspan; /* Next span. */
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dsa_pointer nextspan; /* Next span. */
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dsa_pointer start; /* Starting address. */
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dsa_pointer start; /* Starting address. */
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Size npages; /* Length of span in pages. */
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size_t npages; /* Length of span in pages. */
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uint16 size_class; /* Size class. */
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uint16 size_class; /* Size class. */
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uint16 ninitialized; /* Maximum number of objects ever allocated. */
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uint16 ninitialized; /* Maximum number of objects ever allocated. */
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uint16 nallocatable; /* Number of objects currently allocatable. */
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uint16 nallocatable; /* Number of objects currently allocatable. */
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@ -308,9 +308,9 @@ typedef struct
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/* The object pools for each size class. */
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/* The object pools for each size class. */
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dsa_area_pool pools[DSA_NUM_SIZE_CLASSES];
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dsa_area_pool pools[DSA_NUM_SIZE_CLASSES];
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/* The total size of all active segments. */
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/* The total size of all active segments. */
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Size total_segment_size;
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size_t total_segment_size;
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/* The maximum total size of backing storage we are allowed. */
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/* The maximum total size of backing storage we are allowed. */
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Size max_total_segment_size;
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size_t max_total_segment_size;
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/* Highest used segment index in the history of this area. */
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/* Highest used segment index in the history of this area. */
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dsa_segment_index high_segment_index;
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dsa_segment_index high_segment_index;
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/* The reference count for this area. */
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/* The reference count for this area. */
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@ -318,7 +318,7 @@ typedef struct
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/* A flag indicating that this area has been pinned. */
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/* A flag indicating that this area has been pinned. */
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bool pinned;
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bool pinned;
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/* The number of times that segments have been freed. */
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/* The number of times that segments have been freed. */
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Size freed_segment_counter;
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size_t freed_segment_counter;
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/* The LWLock tranche ID. */
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/* The LWLock tranche ID. */
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int lwlock_tranche_id;
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int lwlock_tranche_id;
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/* The general lock (protects everything except object pools). */
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/* The general lock (protects everything except object pools). */
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@ -371,7 +371,7 @@ struct dsa_area
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dsa_segment_index high_segment_index;
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dsa_segment_index high_segment_index;
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/* The last observed freed_segment_counter. */
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/* The last observed freed_segment_counter. */
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Size freed_segment_counter;
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size_t freed_segment_counter;
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};
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};
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#define DSA_SPAN_NOTHING_FREE ((uint16) -1)
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#define DSA_SPAN_NOTHING_FREE ((uint16) -1)
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@ -382,7 +382,7 @@ struct dsa_area
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(segment_map_ptr - &area->segment_maps[0])
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(segment_map_ptr - &area->segment_maps[0])
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static void init_span(dsa_area *area, dsa_pointer span_pointer,
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static void init_span(dsa_area *area, dsa_pointer span_pointer,
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dsa_area_pool *pool, dsa_pointer start, Size npages,
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dsa_area_pool *pool, dsa_pointer start, size_t npages,
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uint16 size_class);
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uint16 size_class);
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static bool transfer_first_span(dsa_area *area, dsa_area_pool *pool,
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static bool transfer_first_span(dsa_area *area, dsa_area_pool *pool,
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int fromclass, int toclass);
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int fromclass, int toclass);
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@ -396,8 +396,8 @@ static void unlink_span(dsa_area *area, dsa_area_span *span);
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static void add_span_to_fullness_class(dsa_area *area, dsa_area_span *span,
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static void add_span_to_fullness_class(dsa_area *area, dsa_area_span *span,
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dsa_pointer span_pointer, int fclass);
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dsa_pointer span_pointer, int fclass);
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static void unlink_segment(dsa_area *area, dsa_segment_map *segment_map);
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static void unlink_segment(dsa_area *area, dsa_segment_map *segment_map);
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static dsa_segment_map *get_best_segment(dsa_area *area, Size npages);
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static dsa_segment_map *get_best_segment(dsa_area *area, size_t npages);
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static dsa_segment_map *make_new_segment(dsa_area *area, Size requested_pages);
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static dsa_segment_map *make_new_segment(dsa_area *area, size_t requested_pages);
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static dsa_area *create_internal(void *place, size_t size,
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static dsa_area *create_internal(void *place, size_t size,
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int tranche_id,
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int tranche_id,
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dsm_handle control_handle,
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dsm_handle control_handle,
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@ -662,7 +662,7 @@ dsa_pin_mapping(dsa_area *area)
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* flags.
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* flags.
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*/
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*/
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dsa_pointer
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dsa_pointer
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dsa_allocate_extended(dsa_area *area, Size size, int flags)
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dsa_allocate_extended(dsa_area *area, size_t size, int flags)
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{
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{
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uint16 size_class;
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uint16 size_class;
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dsa_pointer start_pointer;
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dsa_pointer start_pointer;
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@ -685,8 +685,8 @@ dsa_allocate_extended(dsa_area *area, Size size, int flags)
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*/
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*/
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if (size > dsa_size_classes[lengthof(dsa_size_classes) - 1])
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if (size > dsa_size_classes[lengthof(dsa_size_classes) - 1])
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{
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{
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Size npages = fpm_size_to_pages(size);
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size_t npages = fpm_size_to_pages(size);
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Size first_page;
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size_t first_page;
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dsa_pointer span_pointer;
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dsa_pointer span_pointer;
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dsa_area_pool *pool = &area->control->pools[DSA_SCLASS_SPAN_LARGE];
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dsa_area_pool *pool = &area->control->pools[DSA_SCLASS_SPAN_LARGE];
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@ -818,7 +818,7 @@ dsa_free(dsa_area *area, dsa_pointer dp)
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dsa_area_span *span;
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dsa_area_span *span;
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char *superblock;
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char *superblock;
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char *object;
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char *object;
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Size size;
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size_t size;
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int size_class;
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int size_class;
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/* Make sure we don't have a stale segment in the slot 'dp' refers to. */
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/* Make sure we don't have a stale segment in the slot 'dp' refers to. */
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@ -925,7 +925,7 @@ void *
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dsa_get_address(dsa_area *area, dsa_pointer dp)
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dsa_get_address(dsa_area *area, dsa_pointer dp)
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{
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{
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dsa_segment_index index;
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dsa_segment_index index;
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Size offset;
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size_t offset;
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/* Convert InvalidDsaPointer to NULL. */
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/* Convert InvalidDsaPointer to NULL. */
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if (!DsaPointerIsValid(dp))
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if (!DsaPointerIsValid(dp))
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@ -998,7 +998,7 @@ dsa_unpin(dsa_area *area)
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* backends that have attached to them.
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* backends that have attached to them.
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*/
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*/
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void
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void
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dsa_set_size_limit(dsa_area *area, Size limit)
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dsa_set_size_limit(dsa_area *area, size_t limit)
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{
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{
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LWLockAcquire(DSA_AREA_LOCK(area), LW_EXCLUSIVE);
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LWLockAcquire(DSA_AREA_LOCK(area), LW_EXCLUSIVE);
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area->control->max_total_segment_size = limit;
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area->control->max_total_segment_size = limit;
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@ -1057,7 +1057,7 @@ dsa_trim(dsa_area *area)
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void
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void
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dsa_dump(dsa_area *area)
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dsa_dump(dsa_area *area)
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{
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{
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Size i,
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size_t i,
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j;
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j;
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/*
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/*
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@ -1158,10 +1158,10 @@ dsa_dump(dsa_area *area)
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* Return the smallest size that you can successfully provide to
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* Return the smallest size that you can successfully provide to
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* dsa_create_in_place.
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* dsa_create_in_place.
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*/
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*/
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Size
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size_t
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dsa_minimum_size(void)
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dsa_minimum_size(void)
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{
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{
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Size size;
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size_t size;
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int pages = 0;
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int pages = 0;
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size = MAXALIGN(sizeof(dsa_area_control)) +
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size = MAXALIGN(sizeof(dsa_area_control)) +
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@ -1189,9 +1189,9 @@ create_internal(void *place, size_t size,
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dsa_area_control *control;
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dsa_area_control *control;
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dsa_area *area;
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dsa_area *area;
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dsa_segment_map *segment_map;
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dsa_segment_map *segment_map;
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Size usable_pages;
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size_t usable_pages;
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Size total_pages;
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size_t total_pages;
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Size metadata_bytes;
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size_t metadata_bytes;
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int i;
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int i;
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/* Sanity check on the space we have to work in. */
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/* Sanity check on the space we have to work in. */
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@ -1224,7 +1224,7 @@ create_internal(void *place, size_t size,
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control->segment_header.freed = false;
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control->segment_header.freed = false;
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control->segment_header.size = DSA_INITIAL_SEGMENT_SIZE;
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control->segment_header.size = DSA_INITIAL_SEGMENT_SIZE;
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control->handle = control_handle;
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control->handle = control_handle;
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control->max_total_segment_size = (Size) -1;
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control->max_total_segment_size = (size_t) -1;
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control->total_segment_size = size;
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control->total_segment_size = size;
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memset(&control->segment_handles[0], 0,
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memset(&control->segment_handles[0], 0,
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sizeof(dsm_handle) * DSA_MAX_SEGMENTS);
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sizeof(dsm_handle) * DSA_MAX_SEGMENTS);
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@ -1337,11 +1337,11 @@ attach_internal(void *place, dsm_segment *segment, dsa_handle handle)
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static void
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static void
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init_span(dsa_area *area,
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init_span(dsa_area *area,
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dsa_pointer span_pointer,
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dsa_pointer span_pointer,
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dsa_area_pool *pool, dsa_pointer start, Size npages,
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dsa_area_pool *pool, dsa_pointer start, size_t npages,
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uint16 size_class)
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uint16 size_class)
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{
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{
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dsa_area_span *span = dsa_get_address(area, span_pointer);
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dsa_area_span *span = dsa_get_address(area, span_pointer);
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Size obsize = dsa_size_classes[size_class];
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size_t obsize = dsa_size_classes[size_class];
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/*
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/*
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* The per-pool lock must be held because we manipulate the span list for
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* The per-pool lock must be held because we manipulate the span list for
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@ -1437,7 +1437,7 @@ alloc_object(dsa_area *area, int size_class)
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dsa_pointer block;
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dsa_pointer block;
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dsa_pointer result;
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dsa_pointer result;
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char *object;
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char *object;
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Size size;
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size_t size;
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/*
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/*
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* Even though ensure_active_superblock can in turn call alloc_object if
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* Even though ensure_active_superblock can in turn call alloc_object if
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@ -1523,12 +1523,12 @@ ensure_active_superblock(dsa_area *area, dsa_area_pool *pool,
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{
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{
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dsa_pointer span_pointer;
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dsa_pointer span_pointer;
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dsa_pointer start_pointer;
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dsa_pointer start_pointer;
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Size obsize = dsa_size_classes[size_class];
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size_t obsize = dsa_size_classes[size_class];
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Size nmax;
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size_t nmax;
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int fclass;
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int fclass;
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Size npages = 1;
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size_t npages = 1;
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Size first_page;
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size_t first_page;
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Size i;
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size_t i;
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dsa_segment_map *segment_map;
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dsa_segment_map *segment_map;
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Assert(LWLockHeldByMe(DSA_SCLASS_LOCK(area, size_class)));
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Assert(LWLockHeldByMe(DSA_SCLASS_LOCK(area, size_class)));
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@ -1959,9 +1959,9 @@ unlink_segment(dsa_area *area, dsa_segment_map *segment_map)
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* pages map.
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* pages map.
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*/
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*/
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static dsa_segment_map *
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static dsa_segment_map *
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get_best_segment(dsa_area *area, Size npages)
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get_best_segment(dsa_area *area, size_t npages)
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{
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{
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Size bin;
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size_t bin;
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Assert(LWLockHeldByMe(DSA_AREA_LOCK(area)));
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Assert(LWLockHeldByMe(DSA_AREA_LOCK(area)));
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check_for_freed_segments_locked(area);
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check_for_freed_segments_locked(area);
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@ -1978,7 +1978,7 @@ get_best_segment(dsa_area *area, Size npages)
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* The minimum contiguous size that any segment in this bin should
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* The minimum contiguous size that any segment in this bin should
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* have. We'll re-bin if we see segments with fewer.
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* have. We'll re-bin if we see segments with fewer.
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*/
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*/
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Size threshold = (Size) 1 << (bin - 1);
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size_t threshold = (size_t) 1 << (bin - 1);
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dsa_segment_index segment_index;
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dsa_segment_index segment_index;
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/* Search this bin for a segment with enough contiguous space. */
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/* Search this bin for a segment with enough contiguous space. */
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@ -1987,7 +1987,7 @@ get_best_segment(dsa_area *area, Size npages)
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{
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{
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dsa_segment_map *segment_map;
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dsa_segment_map *segment_map;
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dsa_segment_index next_segment_index;
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dsa_segment_index next_segment_index;
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Size contiguous_pages;
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size_t contiguous_pages;
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segment_map = get_segment_by_index(area, segment_index);
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segment_map = get_segment_by_index(area, segment_index);
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next_segment_index = segment_map->header->next;
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next_segment_index = segment_map->header->next;
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@ -2003,7 +2003,7 @@ get_best_segment(dsa_area *area, Size npages)
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/* Re-bin it if it's no longer in the appropriate bin. */
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/* Re-bin it if it's no longer in the appropriate bin. */
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if (contiguous_pages < threshold)
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if (contiguous_pages < threshold)
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{
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{
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Size new_bin;
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size_t new_bin;
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new_bin = contiguous_pages_to_segment_bin(contiguous_pages);
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new_bin = contiguous_pages_to_segment_bin(contiguous_pages);
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@ -2051,13 +2051,13 @@ get_best_segment(dsa_area *area, Size npages)
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* segments would be exceeded.
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* segments would be exceeded.
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*/
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*/
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static dsa_segment_map *
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static dsa_segment_map *
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make_new_segment(dsa_area *area, Size requested_pages)
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make_new_segment(dsa_area *area, size_t requested_pages)
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{
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{
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||||||
dsa_segment_index new_index;
|
dsa_segment_index new_index;
|
||||||
Size metadata_bytes;
|
size_t metadata_bytes;
|
||||||
Size total_size;
|
size_t total_size;
|
||||||
Size total_pages;
|
size_t total_pages;
|
||||||
Size usable_pages;
|
size_t usable_pages;
|
||||||
dsa_segment_map *segment_map;
|
dsa_segment_map *segment_map;
|
||||||
dsm_segment *segment;
|
dsm_segment *segment;
|
||||||
|
|
||||||
@ -2095,7 +2095,7 @@ make_new_segment(dsa_area *area, Size requested_pages)
|
|||||||
* pages we can fit.
|
* pages we can fit.
|
||||||
*/
|
*/
|
||||||
total_size = DSA_INITIAL_SEGMENT_SIZE *
|
total_size = DSA_INITIAL_SEGMENT_SIZE *
|
||||||
((Size) 1 << (new_index / DSA_NUM_SEGMENTS_AT_EACH_SIZE));
|
((size_t) 1 << (new_index / DSA_NUM_SEGMENTS_AT_EACH_SIZE));
|
||||||
total_size = Min(total_size, DSA_MAX_SEGMENT_SIZE);
|
total_size = Min(total_size, DSA_MAX_SEGMENT_SIZE);
|
||||||
total_size = Min(total_size,
|
total_size = Min(total_size,
|
||||||
area->control->max_total_segment_size -
|
area->control->max_total_segment_size -
|
||||||
@ -2222,7 +2222,7 @@ make_new_segment(dsa_area *area, Size requested_pages)
|
|||||||
static void
|
static void
|
||||||
check_for_freed_segments(dsa_area *area)
|
check_for_freed_segments(dsa_area *area)
|
||||||
{
|
{
|
||||||
Size freed_segment_counter;
|
size_t freed_segment_counter;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Any other process that has freed a segment has incremented
|
* Any other process that has freed a segment has incremented
|
||||||
@ -2258,7 +2258,7 @@ check_for_freed_segments(dsa_area *area)
|
|||||||
static void
|
static void
|
||||||
check_for_freed_segments_locked(dsa_area *area)
|
check_for_freed_segments_locked(dsa_area *area)
|
||||||
{
|
{
|
||||||
Size freed_segment_counter;
|
size_t freed_segment_counter;
|
||||||
int i;
|
int i;
|
||||||
|
|
||||||
Assert(LWLockHeldByMe(DSA_AREA_LOCK(area)));
|
Assert(LWLockHeldByMe(DSA_AREA_LOCK(area)));
|
||||||
|
@ -22,7 +22,7 @@ struct dsa_area;
|
|||||||
typedef struct dsa_area dsa_area;
|
typedef struct dsa_area dsa_area;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* If this system only uses a 32-bit value for Size, then use the 32-bit
|
* If this system only uses a 32-bit value for size_t, then use the 32-bit
|
||||||
* implementation of DSA. This limits the amount of DSA that can be created
|
* implementation of DSA. This limits the amount of DSA that can be created
|
||||||
* to something significantly less than the entire 4GB address space because
|
* to something significantly less than the entire 4GB address space because
|
||||||
* the DSA pointer must encode both a segment identifier and an offset, but
|
* the DSA pointer must encode both a segment identifier and an offset, but
|
||||||
@ -102,7 +102,7 @@ typedef dsm_handle dsa_handle;
|
|||||||
extern void dsa_startup(void);
|
extern void dsa_startup(void);
|
||||||
|
|
||||||
extern dsa_area *dsa_create(int tranche_id);
|
extern dsa_area *dsa_create(int tranche_id);
|
||||||
extern dsa_area *dsa_create_in_place(void *place, Size size,
|
extern dsa_area *dsa_create_in_place(void *place, size_t size,
|
||||||
int tranche_id, dsm_segment *segment);
|
int tranche_id, dsm_segment *segment);
|
||||||
extern dsa_area *dsa_attach(dsa_handle handle);
|
extern dsa_area *dsa_attach(dsa_handle handle);
|
||||||
extern dsa_area *dsa_attach_in_place(void *place, dsm_segment *segment);
|
extern dsa_area *dsa_attach_in_place(void *place, dsm_segment *segment);
|
||||||
@ -113,10 +113,10 @@ extern void dsa_pin_mapping(dsa_area *area);
|
|||||||
extern void dsa_detach(dsa_area *area);
|
extern void dsa_detach(dsa_area *area);
|
||||||
extern void dsa_pin(dsa_area *area);
|
extern void dsa_pin(dsa_area *area);
|
||||||
extern void dsa_unpin(dsa_area *area);
|
extern void dsa_unpin(dsa_area *area);
|
||||||
extern void dsa_set_size_limit(dsa_area *area, Size limit);
|
extern void dsa_set_size_limit(dsa_area *area, size_t limit);
|
||||||
extern Size dsa_minimum_size(void);
|
extern size_t dsa_minimum_size(void);
|
||||||
extern dsa_handle dsa_get_handle(dsa_area *area);
|
extern dsa_handle dsa_get_handle(dsa_area *area);
|
||||||
extern dsa_pointer dsa_allocate_extended(dsa_area *area, Size size, int flags);
|
extern dsa_pointer dsa_allocate_extended(dsa_area *area, size_t size, int flags);
|
||||||
extern void dsa_free(dsa_area *area, dsa_pointer dp);
|
extern void dsa_free(dsa_area *area, dsa_pointer dp);
|
||||||
extern void *dsa_get_address(dsa_area *area, dsa_pointer dp);
|
extern void *dsa_get_address(dsa_area *area, dsa_pointer dp);
|
||||||
extern void dsa_trim(dsa_area *area);
|
extern void dsa_trim(dsa_area *area);
|
||||||
|
Loading…
Reference in New Issue
Block a user