From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752544Ab3AUIBo (ORCPT ); Mon, 21 Jan 2013 03:01:44 -0500 Received: from LGEMRELSE1Q.lge.com ([156.147.1.111]:53513 "EHLO LGEMRELSE1Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752450Ab3AUIBe (ORCPT ); Mon, 21 Jan 2013 03:01:34 -0500 X-AuditID: 9c93016f-b7b70ae000000e36-3f-50fcf5da2a45 From: Joonsoo Kim To: Pekka Enberg Cc: Christoph Lameter , js1304@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim Subject: [PATCH v2 3/3] slub: add 'likely' macro to inc_slabs_node() Date: Mon, 21 Jan 2013 17:01:27 +0900 Message-Id: <1358755287-3899-3-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1358755287-3899-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1358755287-3899-1-git-send-email-iamjoonsoo.kim@lge.com> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After boot phase, 'n' always exist. So add 'likely' macro for helping compiler. Acked-by: Christoph Lameter Signed-off-by: Joonsoo Kim diff --git a/mm/slub.c b/mm/slub.c index 8b95364..ddbd401 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1005,7 +1005,7 @@ static inline void inc_slabs_node(struct kmem_cache *s, int node, int objects) * dilemma by deferring the increment of the count during * bootstrap (see early_kmem_cache_node_alloc). */ - if (n) { + if (likely(n)) { atomic_long_inc(&n->nr_slabs); atomic_long_add(objects, &n->total_objects); } -- 1.7.9.5