Eric Lee / smarc-ti-linux-kernel | Embedian Git Server

Commit 5adc7b518b54f7af2b8395d2035898340d96b1d5

Authored by Minchan Kim 2011-03-23 07:32:41 +0800

Committed by Linus Torvalds 2011-03-23 08:44:02 +0800

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>

Showing 1 changed file with 1 additions and 2 deletions Side-by-side Diff

mm/truncate.c

mm/truncate.c

Diff comments View file @ 5adc7b5

...	...	@@ -106,9 +106,8 @@
106	106	cancel_dirty_page(page, PAGE_CACHE_SIZE);
107	107
108	108	clear_page_mlock(page);
109		- remove_from_page_cache(page);
110	109	ClearPageMappedToDisk(page);
111		- page_cache_release(page); /* pagecache ref */
	110	+ delete_from_page_cache(page);
112	111	return 0;
113	112	}
114	113