[RFC 5/5] truncate: Remove unnecessary page release

[Minchan Kim]

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@xxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx>
---
 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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