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authorHeikki Linnakangas <heikki.linnakangas@iki.fi>2024-02-13 21:23:41 +0200
committerHeikki Linnakangas <heikki.linnakangas@iki.fi>2024-02-13 21:25:59 +0200
commit95cc48ca0dcb71beb1a6d1c7e768f87139e9c195 (patch)
treed04e28fa6042a5aa06e9eba901ec4f2ae1ee362c /src/backend/storage
parent588f370b163db25ae38504088b17610123dcb315 (diff)
downloadpostgresql-95cc48ca0dcb71beb1a6d1c7e768f87139e9c195.tar.gz
postgresql-95cc48ca0dcb71beb1a6d1c7e768f87139e9c195.zip
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
Diffstat (limited to 'src/backend/storage')
-rw-r--r--src/backend/storage/ipc/dsm_impl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/storage/ipc/dsm_impl.c b/src/backend/storage/ipc/dsm_impl.c
index a5dbd662b2f..5f96bcf5b2f 100644
--- 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;
/*