CreateAnonymousSegment.diff

diff --git a/src/backend/port/sysv_shmem.c b/src/backend/port/sysv_shmem.c
index 6019bee334d..e5c4752d9f6 100644
--- a/src/backend/port/sysv_shmem.c
+++ b/src/backend/port/sysv_shmem.c
@@ -30,6 +30,7 @@
 
 #include "miscadmin.h"
 #include "port/pg_bitutils.h"
+#include "port/pg_numa.h"
 #include "portability/mem.h"
 #include "storage/dsm.h"
 #include "storage/fd.h"
@@ -609,7 +610,8 @@ CreateAnonymousSegment(Size *size)
 	 *
 	 * XXX Probably not needed without that, but also costs nothing.
 	 */
-	numa_set_membind(numa_all_nodes_ptr);
+	if ((numa_flags & NUMA_BUFFERS) != 0)
+		numa_set_membind(numa_all_nodes_ptr);
 
 #ifndef MAP_HUGETLB
 	/* PGSharedMemoryCreate should have dealt with this case */
@@ -681,7 +683,8 @@ CreateAnonymousSegment(Size *size)
 	}
 
 	/* undo the earlier num_set_membind() call. */
-	numa_set_localalloc();
+	if ((numa_flags & NUMA_BUFFERS) != 0)
+		numa_set_localalloc();
 
 	/*
 	 * Before touching the memory, set the allocation policy, so that
@@ -693,7 +696,8 @@ CreateAnonymousSegment(Size *size)
 	 * XXX Probably not needed with MAP_POPULATE, in which case the policy
 	 * was already set by num_set_membind() earlier. But doesn't hurt.
 	 */
-	numa_interleave_memory(ptr, allocsize, numa_all_nodes_ptr);
+	if ((numa_flags & NUMA_BUFFERS) != 0)
+		numa_interleave_memory(ptr, allocsize, numa_all_nodes_ptr);
 
 	*size = allocsize;
 	return ptr;