From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967509Ab2EQRE7 (ORCPT ); Thu, 17 May 2012 13:04:59 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:44817 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967470Ab2EQRE4 (ORCPT ); Thu, 17 May 2012 13:04:56 -0400 From: Joonsoo Kim To: Pekka Enberg Cc: Christoph Lameter , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Joonsoo Kim Subject: [PATCH 1,2/4 v3] slub: use __cmpxchg_double_slab() at interrupt disabled place Date: Fri, 18 May 2012 02:03:39 +0900 Message-Id: <1337274219-5279-1-git-send-email-js1304@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org get_freelist(), unfreeze_partials() are only called with interrupt disabled, so __cmpxchg_double_slab() is suitable. Acked-by: Christoph Lameter Signed-off-by: Joonsoo Kim diff --git a/mm/slub.c b/mm/slub.c index 0c3105c..c38efce 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1935,7 +1935,7 @@ static void unfreeze_partials(struct kmem_cache *s) l = m; } - } while (!cmpxchg_double_slab(s, page, + } while (!__cmpxchg_double_slab(s, page, old.freelist, old.counters, new.freelist, new.counters, "unfreezing slab")); @@ -2179,7 +2179,7 @@ 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