From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f69.google.com (mail-pa0-f69.google.com [209.85.220.69]) by kanga.kvack.org (Postfix) with ESMTP id 85EF56B007E for ; Wed, 15 Jun 2016 05:34:45 -0400 (EDT) Received: by mail-pa0-f69.google.com with SMTP id b13so21948234pat.3 for ; Wed, 15 Jun 2016 02:34:45 -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 e28si36049804pfk.242.2016.06.15.02.34.44 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 15 Jun 2016 02:34:44 -0700 (PDT) Received: by mail-pa0-x244.google.com with SMTP id fg1so1199165pad.3 for ; Wed, 15 Jun 2016 02:34:44 -0700 (PDT) From: Ganesh Mahendran Subject: [PATCH v2] mm/page_alloc: remove unnecessary order check in __alloc_pages_direct_compact Date: Wed, 15 Jun 2016 17:34:18 +0800 Message-Id: <1465983258-3726-1-git-send-email-opensource.ganesh@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, vbabka@suse.cz, iamjoonsoo.kim@lge.com, mhocko@suse.com, mina86@mina86.com, minchan@kernel.org, khandual@linux.vnet.ibm.com, Ganesh Mahendran In the callee try_to_compact_pages(), the (order == 0) is checked, so remove check in __alloc_pages_direct_compact. Signed-off-by: Ganesh Mahendran --- v2: remove the check in __alloc_pages_direct_compact - Anshuman Khandual --- mm/page_alloc.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index b9ea618..2f5a82a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3173,9 +3173,6 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, struct page *page; int contended_compaction; - if (!order) - return NULL; - current->flags |= PF_MEMALLOC; *compact_result = try_to_compact_pages(gfp_mask, order, alloc_flags, ac, mode, &contended_compaction); -- 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