linux-kernel - [PATCH 2/4] slab: fix starting index for finding another object

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Date:	Tue,  4 Sep 2012 18:24:37 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Linux-MM <linux-mm@...ck.org>,
	Linux-Netdev <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Chuck Lever <chuck.lever@...cle.com>,
	Joonsoo Kim <js1304@...il.com>, Pekka@...e.de,
	"Enberg <penberg"@kernel.org, David Rientjes <rientjes@...gle.com>,
	Mel Gorman <mgorman@...e.de>
Subject: [PATCH 2/4] slab: fix starting index for finding another object

From: Joonsoo Kim <js1304@...il.com>

In array cache, there is a object at index 0, check it.

Signed-off-by: Joonsoo Kim <js1304@...il.com>
Signed-off-by: Mel Gorman <mgorman@...e.de>
---
 mm/slab.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slab.c b/mm/slab.c
index d34a903..c685475 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -983,7 +983,7 @@ static void *__ac_get_obj(struct kmem_cache *cachep, struct array_cache *ac,
 		}
 
 		/* The caller cannot use PFMEMALLOC objects, find another one */
-		for (i = 1; i < ac->avail; i++) {
+		for (i = 0; i < ac->avail; i++) {
 			/* If a !PFMEMALLOC object is found, swap them */
 			if (!is_obj_pfmemalloc(ac->entry[i])) {
 				objp = ac->entry[i];
-- 
1.7.9.2

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