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HWPOISON: Add page flag for poisoned pages
authorAndi Kleen <andi@firstfloor.org>
Wed, 16 Sep 2009 09:50:03 +0000 (11:50 +0200)
committerAndi Kleen <ak@linux.intel.com>
Wed, 16 Sep 2009 09:50:03 +0000 (11:50 +0200)
commit93670ecf0eed68dc64d7709f8b0eddce7d2cdf01
tree3e8d7f89f08e6b2340adebb4ebdbfb7329902607tree | snapshot
parent057faa1e88427d4f7c4bbebe5a712c0c4ac3d8bfcommit | diff
HWPOISON: Add page flag for poisoned pages

Hardware poisoned pages need special handling in the VM and shouldn't be
touched again. This requires a new page flag. Define it here.

The page flags wars seem to be over, so it shouldn't be a problem
to get a new one.

v2: Add TestSetHWPoison (suggested by Johannes Weiner)

Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
include/linux/page-flags.h diff | blob | history
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