From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752670AbcFOGxS (ORCPT ); Wed, 15 Jun 2016 02:53:18 -0400 Received: from mail-pa0-f66.google.com ([209.85.220.66]:32938 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751382AbcFOGxR (ORCPT ); Wed, 15 Jun 2016 02:53:17 -0400 From: Ganesh Mahendran To: akpm@linux-foundation.org, vbabka@suse.cz, iamjoonsoo.kim@lge.com, mhocko@suse.com, mina86@mina86.com, minchan@kernel.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Ganesh Mahendran Subject: [PATCH] mm/compaction: remove unnecessary order check in try_to_compact_pages() Date: Wed, 15 Jun 2016 14:52:48 +0800 Message-Id: <1465973568-3496-1-git-send-email-opensource.ganesh@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The caller __alloc_pages_direct_compact() already check (order == 0). So no need to check again. Signed-off-by: Ganesh Mahendran --- mm/compaction.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/compaction.c b/mm/compaction.c index fbb7b38..500acda 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1687,7 +1687,7 @@ enum compact_result try_to_compact_pages(gfp_t gfp_mask, unsigned int order, *contended = COMPACT_CONTENDED_NONE; /* Check if the GFP flags allow compaction */ - if (!order || !may_enter_fs || !may_perform_io) + if (!may_enter_fs || !may_perform_io) return COMPACT_SKIPPED; trace_mm_compaction_try_to_compact_pages(order, gfp_mask, mode); -- 1.9.1