From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752181Ab1BFKtH (ORCPT ); Sun, 6 Feb 2011 05:49:07 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:35628 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751553Ab1BFKtF (ORCPT ); Sun, 6 Feb 2011 05:49:05 -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=ZFWCJRu6TRSVY69odYfCXLzoExZGxPWdF8NE9ltlWuh61asmOgYJZswuaxs076werl 2HnXMAMjZOVgOGeh+Bw0JtJ77CjwLIEfbCa+wJE2TCodygZKFPKTBPCYDL2zJsKgWkt4 C8St1iKQyEvIC6SWH4C379gBXZtZ+4oj+sPow= 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 v4 2/6] hugetlbfs: Change remove_from_page_cache Date: Sun, 6 Feb 2011 19:48:01 +0900 Message-Id: <181a91bedeefb055e0fc88f16a340aa0c58ad34a.1296987110.git.minchan.kim@gmail.com> X-Mailer: git-send-email 1.7.1 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 Acked-by: Mel Gorman 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) -- 1.7.1