From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx164.postini.com [74.125.245.164]) by kanga.kvack.org (Postfix) with SMTP id 9A8476B0044 for ; Mon, 26 Mar 2012 14:11:32 -0400 (EDT) From: Andrea Arcangeli Subject: [PATCH 19/39] mm: add unlikely to the mm allocation failure check Date: Mon, 26 Mar 2012 19:46:06 +0200 Message-Id: <1332783986-24195-20-git-send-email-aarcange@redhat.com> In-Reply-To: <1332783986-24195-1-git-send-email-aarcange@redhat.com> References: <1332783986-24195-1-git-send-email-aarcange@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Hillf Danton , Dan Smith , Peter Zijlstra , Linus Torvalds , Andrew Morton , Thomas Gleixner , Ingo Molnar , Paul Turner , Suresh Siddha , Mike Galbraith , "Paul E. McKenney" , Lai Jiangshan , Bharata B Rao , Lee Schermerhorn , Rik van Riel , Johannes Weiner Very minor optimization to hint gcc. Signed-off-by: Andrea Arcangeli --- kernel/fork.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/fork.c b/kernel/fork.c index aefe24f..31b2f35 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -547,7 +547,7 @@ struct mm_struct *mm_alloc(void) struct mm_struct *mm; mm = allocate_mm(); - if (!mm) + if (unlikely(!mm)) return NULL; memset(mm, 0, sizeof(*mm)); -- 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