Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965991Ab3HIJca (ORCPT ); Fri, 9 Aug 2013 05:32:30 -0400 Received: from LGEMRELSE7Q.lge.com ([156.147.1.151]:42785 "EHLO LGEMRELSE7Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965762Ab3HIJ1L (ORCPT ); Fri, 9 Aug 2013 05:27:11 -0400 X-AuditID: 9c930197-b7b44ae00000347f-9c-5204b5eb3953 From: Joonsoo Kim To: Andrew Morton Cc: Rik van Riel , Mel Gorman , Michal Hocko , "Aneesh Kumar K.V" , KAMEZAWA Hiroyuki , Hugh Dickins , Davidlohr Bueso , David Gibson , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim , Wanpeng Li , Naoya Horiguchi , Hillf Danton , Joonsoo Kim Subject: [PATCH v2 04/20] mm, hugetlb: remove useless check about mapping type Date: Fri, 9 Aug 2013 18:26:22 +0900 Message-Id: <1376040398-11212-5-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1376040398-11212-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1376040398-11212-1-git-send-email-iamjoonsoo.kim@lge.com> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 942 Lines: 30 is_vma_resv_set(vma, HPAGE_RESV_OWNER) implys that this mapping is for private. So we don't need to check whether this mapping is for shared or not. This patch is just for clean-up. Signed-off-by: Joonsoo Kim diff --git a/mm/hugetlb.c b/mm/hugetlb.c index ea1ae0a..c017c52 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2544,8 +2544,7 @@ retry_avoidcopy: * at the time of fork() could consume its reserves on COW instead * of the full address range. */ - if (!(vma->vm_flags & VM_MAYSHARE) && - is_vma_resv_set(vma, HPAGE_RESV_OWNER) && + if (is_vma_resv_set(vma, HPAGE_RESV_OWNER) && old_page != pagecache_page) outside_reserve = 1; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/