From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751969AbdJELca (ORCPT ); Thu, 5 Oct 2017 07:32:30 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:59675 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751418AbdJELc3 (ORCPT ); Thu, 5 Oct 2017 07:32:29 -0400 X-UUID: cd656631fd7a4bf8a84460394df9905b-20171005 From: To: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton CC: , , , , Miles Chen Subject: [PATCH] mm/slob: remove an unnecessary check for __GFP_ZERO Date: Thu, 5 Oct 2017 19:32:21 +0800 Message-ID: <1507203141-11959-1-git-send-email-miles.chen@mediatek.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Miles Chen Current flow guarantees a valid pointer when handling the __GFP_ZERO case. So remove the unnecessary NULL pointer check. Signed-off-by: Miles Chen --- mm/slob.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/slob.c b/mm/slob.c index a8bd6fa..a72649c 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -329,7 +329,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) BUG_ON(!b); spin_unlock_irqrestore(&slob_lock, flags); } - if (unlikely((gfp & __GFP_ZERO) && b)) + if (unlikely(gfp & __GFP_ZERO)) memset(b, 0, size); return b; } -- 1.9.1