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authorNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>2010-09-08 10:19:39 +0900
committerAndi Kleen <ak@linux.intel.com>2010-10-08 09:32:45 +0200
commitd950b95882f3dc47e86f1496cd3f7fef540d6d6b (patch)
tree7eea4cc7dca413c29bbb2d935197bd2da352a505 /firmware/cxgb3
parent8c6c2ecb44667f7204e9d2b89c4c1f42edc5a196 (diff)
HWPOISON, hugetlb: soft offlining for hugepage
This patch extends soft offlining framework to support hugepage. When memory corrected errors occur repeatedly on a hugepage, we can choose to stop using it by migrating data onto another hugepage and disabling the original (maybe half-broken) one. ChangeLog since v4: - branch soft_offline_page() for hugepage ChangeLog since v3: - remove comment about "ToDo: hugepage soft-offline" ChangeLog since v2: - move refcount handling into isolate_lru_page() ChangeLog since v1: - add double check in isolating hwpoisoned hugepage - define free/non-free checker for hugepage - postpone calling put_page() for hugepage in soft_offline_page() Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andi Kleen <ak@linux.intel.com>
Diffstat (limited to 'firmware/cxgb3')
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