Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933483Ab2EQQmV (ORCPT ); Thu, 17 May 2012 12:42:21 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:44937 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933106Ab2EQQmT (ORCPT ); Thu, 17 May 2012 12:42:19 -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 v2] slub: use __cmpxchg_double_slab() at interrupt disabled place Date: Fri, 18 May 2012 01:41:04 +0900 Message-Id: <1337272864-5090-1-git-send-email-js1304@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1337269668-4619-1-git-send-email-js1304@gmail.com> References: <1337269668-4619-1-git-send-email-js1304@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1202 Lines: 38 get_freelist() is only called by __slab_alloc() with interrupt disabled, so __cmpxchg_double_slab() is suitable. unfreeze_partials() is only called with interrupt disabled, so __cmpxchg_double_slab() is suitable. 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/