From 139abc2896eb95b4a103d217ad99d0f6df2c2ce6 Mon Sep 17 00:00:00 2001
From: Neil Conway <neilc@samurai.com>
Date: Thu, 22 Apr 2004 07:21:55 +0000
Subject: Make LocalRefCount and PrivateRefCount arrays of int32, rather than
 long. This saves a small amount of per-backend memory for LP64 machines.

---
 src/backend/storage/buffer/buf_init.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'src/backend/storage/buffer/buf_init.c')

diff --git a/src/backend/storage/buffer/buf_init.c b/src/backend/storage/buffer/buf_init.c
index 8bbfb49752e..440b25ae512 100644
--- a/src/backend/storage/buffer/buf_init.c
+++ b/src/backend/storage/buffer/buf_init.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.64 2004/04/21 18:06:30 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.65 2004/04/22 07:21:55 neilc Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -21,7 +21,7 @@
 BufferDesc *BufferDescriptors;
 Block	   *BufferBlockPointers;
 
-long	   *PrivateRefCount;	/* also used in freelist.c */
+int32	   *PrivateRefCount;	/* also used in freelist.c */
 bits8	   *BufferLocks;		/* flag bits showing locks I have set */
 
 /* statistics counters */
@@ -176,9 +176,11 @@ InitBufferPoolAccess(void)
 	/*
 	 * Allocate and zero local arrays of per-buffer info.
 	 */
-	BufferBlockPointers = (Block *) calloc(NBuffers, sizeof(Block));
-	PrivateRefCount = (long *) calloc(NBuffers, sizeof(long));
-	BufferLocks = (bits8 *) calloc(NBuffers, sizeof(bits8));
+	BufferBlockPointers = (Block *) calloc(NBuffers,
+										   sizeof(*BufferBlockPointers));
+	PrivateRefCount = (int32 *) calloc(NBuffers,
+									   sizeof(*PrivateRefCount));
+	BufferLocks = (bits8 *) calloc(NBuffers, sizeof(*BufferLocks));
 
 	/*
 	 * Convert shmem offsets into addresses as seen by this process. This
-- 
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