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Subject[RFC 5/5] truncate: Remove unnecessary page release
Date
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@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-mm@kvack.org
Signed-off-by: Minchan Kim <minchan.kim@gmail.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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