From: Andi Kleen <ak@linux.intel.com>
Date: Wed, 16 Sep 2009 09:50:11 +0000 (+0200)
Subject: HWPOISON: Handle hardware poisoned pages in try_to_unmap
X-Git-Tag: v2.6.32-rc1~62^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=888b9f7c58ebe8303bad817cd554df887a683957;p=pandora-kernel.git

HWPOISON: Handle hardware poisoned pages in try_to_unmap

When a page has the poison bit set replace the PTE with a poison entry.
This causes the right error handling to be done later when a process runs
into it.

v2: add a new flag to not do that (needed for the memory-failure handler
later) (Fengguang)
v3: remove unnecessary is_migration_entry() test (Fengguang, Minchan)

Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---

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