From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx109.postini.com [74.125.245.109]) by kanga.kvack.org (Postfix) with SMTP id C2E456B00E9 for ; Thu, 17 May 2012 12:42:19 -0400 (EDT) Received: by dakp5 with SMTP id p5so3935693dak.14 for ; Thu, 17 May 2012 09:42:19 -0700 (PDT) From: 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> In-Reply-To: <1337269668-4619-1-git-send-email-js1304@gmail.com> References: <1337269668-4619-1-git-send-email-js1304@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Pekka Enberg Cc: Christoph Lameter , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Joonsoo Kim 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org