HWPOISON: remove the anonymous entry

commit 9b9a29ecd75e310f75a9243e1c3538ad34598fcb upstream.

(PG_swapbacked && !PG_lru) pages should not happen.
Better to treat them as unknown pages.

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index dacc64183874c739e6a501c780d28ee220c4ac2b..d7cb3625225bc7fae2f7132e6520f547e598a5c1 100644 (file)
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -589,7 +589,6 @@ static struct page_state {
 
        { lru|dirty,    lru|dirty,      "LRU",          me_pagecache_dirty },
        { lru|dirty,    lru,            "clean LRU",    me_pagecache_clean },
-       { swapbacked,   swapbacked,     "anonymous",    me_pagecache_clean },
 
        /*
         * Catchall entry: must be at end.