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authorMinchan Kim <minchan@kernel.org>2016-04-28 16:18:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-04-28 19:34:04 -0700
commitd7e69488bd04de165667f6bc741c1c0ec6042ab9 (patch)
treeb0e9a47dee4929026faac9d46ab69e4b2b03d522 /.mailmap
parentb06bad17c7435b600a1d7a35b56eff25e1d3dbc0 (diff)
mm/hwpoison: fix wrong num_poisoned_pages accounting
Currently, migration code increses num_poisoned_pages on *failed* migration page as well as successfully migrated one at the trial of memory-failure. It will make the stat wrong. As well, it marks the page as PG_HWPoison even if the migration trial failed. It would mean we cannot recover the corrupted page using memory-failure facility. This patches fixes it. Signed-off-by: Minchan Kim <minchan@kernel.org> Reported-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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