From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752100Ab1AKFW6 (ORCPT ); Tue, 11 Jan 2011 00:22:58 -0500 Received: from mail-yi0-f46.google.com ([209.85.218.46]:51175 "EHLO mail-yi0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752515Ab1AKFWq (ORCPT ); Tue, 11 Jan 2011 00:22:46 -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=YxfyozolqJvf5TWaLwMEkMvgMHEMmJXkprdY/OVAgPi0DYqrWvXjwknbSEfjx5mwpl 1XrfTX8rdXNaV2KBbeB3mZJQdZk3lRyQ/agjVi6Ls4r52/ivlXBVEqZcDBS3ifdPgEGn e7B00pQ8kSnhzNiznDpWbxRq89AIWWOeMkopI= From: Minchan Kim To: Andrew Morton Cc: linux-mm , LKML , KAMEZAWA Hiroyuki , Hugh Dickins , Mel Gorman , KOSAKI Motohiro , Johannes Weiner , Minchan Kim , William Irwin Subject: [PATCH v3 3/7] hugetlbfs: Change remove_from_page_cache Date: Tue, 11 Jan 2011 14:22:07 +0900 Message-Id: <95582288aa619785893385ac5f5e2ded45e0cc28.1294723009.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 Acked-by: Hugh Dickins Reviewed-by: KAMEZAWA Hiroyuki Reviewed-by: Johannes Weiner Reviewed-by: KOSAKI Motohiro Signed-off-by: Minchan Kim --- 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