Commit 6a90181c authored Sep 08, 2010 by Naoya Horiguchi Committed by Andi Kleen Oct 08, 2010

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>

parent d950b958

mm/memory-failure.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1202,9 +1202,9 @@ int unpoison_memory(unsigned long pfn)
		pr_debug("MCE: Software-unpoisoned page %#lx\n", pfn);
		atomic_long_sub(nr_pages, &mce_bad_pages);
		freeit = 1;
		}
		if (PageHuge(p))
		if (PageHuge(page))
		clear_page_hwpoison_huge_page(page);
		}
		unlock_page(page);

		put_page(page);