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

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Fixes bug #18341. Backpatch to all supported versions.

Discussion: https://www.postgresql.org/message-id/18341-ce16599e7fd6228c@postgresql.org
This commit is contained in:
Heikki Linnakangas 2024-02-13 21:23:41 +02:00
parent 0736a8ef6f
commit fbf9a7ac4d
1 changed files with 1 additions and 1 deletions
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src/backend/storage/ipc/dsm_impl.c
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@ -873,7 +873,7 @@ dsm_impl_mmap(dsm_op op, dsm_handle handle, Size request_size,
* transferring data to the kernel. * transferring data to the kernel.
*/ */
char *zbuffer = (char *) palloc0(ZBUFFER_SIZE); char *zbuffer = (char *) palloc0(ZBUFFER_SIZE);
uint32 remaining = request_size; Size remaining = request_size;
bool success = true; bool success = true;
/* /*