From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753893Ab0LVPds (ORCPT ); Wed, 22 Dec 2010 10:33:48 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:62706 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753508Ab0LVPdr (ORCPT ); Wed, 22 Dec 2010 10:33:47 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=Sf648p32kNtVaQ1DHh5MYd2JF/FLS2hijMcsWImglfvh4ik9V87SfNkosHgTlykOMP +0vJG1CEI2xQyIaStgfsmEkyGcn3XMo8FU1KOtFyqJorGRsWbduX9dQ9yeOwNLPIm3vN 7GTc3R0e0EbM8Hmaehu1M1xCaU7qpKr+eApro= From: Minchan Kim To: Andrew Morton Cc: linux-mm , LKML , KAMEZAWA Hiroyuki , Minchan Kim , William Irwin Subject: [PATCH 3/7] tlbfs: Change remove_from_page_cache Date: Thu, 23 Dec 2010 00:32:45 +0900 Message-Id: <8fb992356ab4f24f0bcb47b8a59b298508e48745.1293031046.git.minchan.kim@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series changes remove_from_page_cache's page ref counting rule. Page cache ref count is decreased in delete_from_page_cache. So we don't need decreasing page reference by caller. Cc: William Irwin Signed-off-by: Minchan Kim Reviewed-by: KAMEZAWA Hiroyuki --- fs/hugetlbfs/inode.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 9885082..b9eeb1c 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -332,8 +332,7 @@ static void truncate_huge_page(struct page *page) { cancel_dirty_page(page, /* No IO accounting for huge pages? */0); ClearPageUptodate(page); - remove_from_page_cache(page); - put_page(page); + delete_from_page_cache(page); } static void truncate_hugepages(struct inode *inode, loff_t lstart) -- 1.7.0.4