From: Wu Fengguang <fengguang.wu@intel.com>
Date: Wed, 16 Dec 2009 11:19:58 +0000 (+0100)
Subject: HWPOISON: abort on failed unmap
X-Git-Tag: v2.6.33-rc1~45^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1668bfd5be9d8a52536c4865000fbbe065a3613b;p=pandora-kernel.git

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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