From 9b8550fbd31e329481c5f73430185a2b672693d6 Mon Sep 17 00:00:00 2001 From: Heikki Linnakangas Date: Tue, 13 Feb 2024 21:23:41 +0200 Subject: [PATCH] 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 --- src/backend/storage/ipc/dsm_impl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/backend/storage/ipc/dsm_impl.c b/src/backend/storage/ipc/dsm_impl.c index c51e3e683c..7200f6dfe5 100644 --- a/src/backend/storage/ipc/dsm_impl.c +++ b/src/backend/storage/ipc/dsm_impl.c @@ -880,7 +880,7 @@ 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; /*