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authorMinchan Kim <minchan.kim@gmail.com>2011-03-22 16:32:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-22 17:44:02 -0700
commit5adc7b518b54f7af2b8395d2035898340d96b1d5 (patch)
treea1ef2db7e2a41333861ca067bb1c6f16589044eb /mm/truncate.c
parent4c73b1bc6bb14aab7888ebe6bffe957cf7c07fa0 (diff)
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mm: truncate: change remove_from_page_cache
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 to decrease the page reference in callers. Signed-off-by: Minchan Kim <minchan.kim@gmail.com> Cc: Dan Magenheimer <dan.magenheimer@oracle.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Hugh Dickins <hughd@google.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/truncate.c')
-rw-r--r--mm/truncate.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/truncate.c b/mm/truncate.c
index d64296be00d3..7c617b5f03ee 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -106,9 +106,8 @@ truncate_complete_page(struct address_space *mapping, struct page *page)
cancel_dirty_page(page, PAGE_CACHE_SIZE);
clear_page_mlock(page);
- remove_from_page_cache(page);
ClearPageMappedToDisk(page);
- page_cache_release(page); /* pagecache ref */
+ delete_from_page_cache(page);
return 0;
}