398 +0100
committer Andi Kleen <ak@linux.intel.com> 1260962398 +0100

HWPOISON: abort on failed unmap

Don't try to isolate a still mapped page. Otherwise we will hit the
BUG_ON(page_mapped(page)) in __remove_from_page_cache().

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
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