> 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>