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Message-Id: <02ab98b3a1450f7a1c31edc48ccc57e887cee900.1292604746.git.minchan.kim@gmail.com>
Date: Sat, 18 Dec 2010 02:13:40 +0900
From: Minchan Kim <minchan.kim@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
Minchan Kim <minchan.kim@...il.com>,
Nick Piggin <npiggin@...e.de>,
Al Viro <viro@...iv.linux.org.uk>
Subject: [RFC 5/5] truncate: Remove unnecessary page release
This patch series changes remove_from_page_cache's page ref counting
rule. page cache ref count is decreased in remove_from_page_cache.
So we don't need call again in caller context.
Cc: Nick Piggin <npiggin@...e.de>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: linux-mm@...ck.org
Signed-off-by: Minchan Kim <minchan.kim@...il.com>
---
mm/truncate.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/mm/truncate.c b/mm/truncate.c
index 9ee5673..8decb93 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -114,7 +114,6 @@ truncate_complete_page(struct address_space *mapping, struct page *page)
* calls cleancache_put_page (and note page->mapping is now NULL)
*/
cleancache_flush_page(mapping, page);
- page_cache_release(page); /* pagecache ref */
return 0;
}
--
1.7.0.4
--
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