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authorAndi Kleen <ak@linux.intel.com>2009-09-16 11:50:11 +0200
committerAndi Kleen <ak@linux.intel.com>2009-09-16 11:50:11 +0200
commit888b9f7c58ebe8303bad817cd554df887a683957 (patch)
treeebd01e55f5a6631a463fbb863adfbe9dcf49ad7d /mm/page_alloc.c
parentHWPOISON: Use bitmask/action code for try_to_unmap behaviour (diff)
downloadlinux-888b9f7c58ebe8303bad817cd554df887a683957.tar.xz
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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>
Diffstat (limited to 'mm/page_alloc.c')
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