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-rw-r--r--src/backend/storage/ipc/dsm_impl.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/src/backend/storage/ipc/dsm_impl.c b/src/backend/storage/ipc/dsm_impl.c
index 78154010aaf..0ff1f5be91e 100644
--- a/src/backend/storage/ipc/dsm_impl.c
+++ b/src/backend/storage/ipc/dsm_impl.c
@@ -245,7 +245,7 @@ dsm_impl_posix(dsm_op op, dsm_handle handle, Size request_size,
}
/*
- * Create new segment or open an existing one for attach or resize.
+ * Create new segment or open an existing one for attach.
*
* Even though we're not going through fd.c, we should be safe against
* running out of file descriptors, because of NUM_RESERVED_FDS. We're
@@ -410,10 +410,6 @@ dsm_impl_sysv(dsm_op op, dsm_handle handle, Size request_size,
char name[64];
int *ident_cache;
- /* Since resize isn't supported, reattach is a no-op. */
- if (op == DSM_OP_ATTACH && *mapped_address != NULL)
- return true;
-
/*
* POSIX shared memory and mmap-based shared memory identify segments with
* names. To avoid needless error message variation, we use the handle as
@@ -600,10 +596,6 @@ dsm_impl_windows(dsm_op op, dsm_handle handle, Size request_size,
char name[64];
MEMORY_BASIC_INFORMATION info;
- /* Since resize isn't supported, reattach is a no-op. */
- if (op == DSM_OP_ATTACH && *mapped_address != NULL)
- return true;
-
/*
* Storing the shared memory segment in the Global\ namespace, can allow
* any process running in any session to access that file mapping object
@@ -814,7 +806,7 @@ dsm_impl_mmap(dsm_op op, dsm_handle handle, Size request_size,
return true;
}
- /* Create new segment or open an existing one for attach or resize. */
+ /* Create new segment or open an existing one for attach. */
flags = O_RDWR | (op == DSM_OP_CREATE ? O_CREAT | O_EXCL : 0);
if ((fd = OpenTransientFile(name, flags)) == -1)
{