HWPOISON, hugetlb: fix unpoison for hugepage
Currently unpoisoning hugepages doesn't work correctly because
clearing PG_HWPoison is done outside if (TestClearPageHWPoison).
This patch fixes it.
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>
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 74eb425..14589a2 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1202,9 +1202,9 @@
pr_debug("MCE: Software-unpoisoned page %#lx\n", pfn);
atomic_long_sub(nr_pages, &mce_bad_pages);
freeit = 1;
+ if (PageHuge(page))
+ clear_page_hwpoison_huge_page(page);
}
- if (PageHuge(p))
- clear_page_hwpoison_huge_page(page);
unlock_page(page);
put_page(page);