Fix 'mmap' DSM implementation with allocations larger than 4 GB

Fixes bug #18341. Backpatch to all supported versions. Discussion: https://www.postgresql.org/message-id/18341-ce16599e7fd6228c@postgresql.org
2024-02-13 21:23:41 +02:00 · 2024-02-13 21:23:41 +02:00 · 95cc48ca0d
parent 588f370b16
commit 95cc48ca0d
1 changed files with 1 additions and 1 deletions
--- a/src/backend/storage/ipc/dsm_impl.c
+++ b/src/backend/storage/ipc/dsm_impl.c
@ -868,7 +868,7 @@ dsm_impl_mmap(dsm_op op, dsm_handle handle, Size request_size,
 		 * transferring data to the kernel.
 		 */
 		char	   *zbuffer = (char *) palloc0(ZBUFFER_SIZE);
-		uint32		remaining = request_size;
+		Size		remaining = request_size;
 		bool		success = true;

 		/*