From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1756883Ab2EJP5i (ORCPT <rfc822;w@1wt.eu>);
	Thu, 10 May 2012 11:57:38 -0400
Received: from mail-pz0-f46.google.com ([209.85.210.46]:43907 "EHLO
	mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751624Ab2EJP5h (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Thu, 10 May 2012 11:57:37 -0400
From: Joonsoo Kim <js1304@gmail.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: Christoph Lameter <cl@linux-foundation.org>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, Joonsoo Kim <js1304@gmail.com>
Subject: [PATCH] slub: change cmpxchg_double_slab in get_freelist() to __cmpxchg_double_slab
Date: Fri, 11 May 2012 00:56:18 +0900
Message-Id: <1336665378-2967-1-git-send-email-js1304@gmail.com>
X-Mailer: git-send-email 1.7.9.5
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

get_freelist() is only called by __slab_alloc with interrupt disabled,
so __cmpxchg_double_slab is suitable.

Signed-off-by: Joonsoo Kim <js1304@gmail.com>

diff --git a/mm/slub.c b/mm/slub.c
index 323778e..addfb85 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2176,7 +2176,7 @@ static inline void *get_freelist(struct kmem_cache *s, struct page *page)
 		new.inuse = page->objects;
 		new.frozen = freelist != NULL;
 
-	} while (!cmpxchg_double_slab(s, page,
+	} while (!__cmpxchg_double_slab(s, page,
 		freelist, counters,
 		NULL, new.counters,
 		"get_freelist"));
-- 
1.7.9.5