From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f70.google.com (mail-pa0-f70.google.com [209.85.220.70]) by kanga.kvack.org (Postfix) with ESMTP id 9CAF36B025E for ; Wed, 15 Jun 2016 02:53:18 -0400 (EDT) Received: by mail-pa0-f70.google.com with SMTP id b13so17327228pat.3 for ; Tue, 14 Jun 2016 23:53:18 -0700 (PDT) Received: from mail-pa0-x244.google.com (mail-pa0-x244.google.com. [2607:f8b0:400e:c03::244]) by mx.google.com with ESMTPS id xr1si6230634pab.95.2016.06.14.23.53.16 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 Jun 2016 23:53:16 -0700 (PDT) Received: by mail-pa0-x244.google.com with SMTP id ts6so901857pac.0 for ; Tue, 14 Jun 2016 23:53:16 -0700 (PDT) From: 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- 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/ . Don't email: email@kvack.org