Commit dd9538a5 authored Sep 11, 2013 by Wanpeng Li Committed by Linus Torvalds Sep 11, 2013

mm/hwpoison: replace atomic_long_sub() with atomic_long_dec()



Replace atomic_long_sub() with atomic_long_dec() since the page is normal
page instead of hugetlbfs page or thp.

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 0cea3fdc

mm/memory-failure.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1366,7 +1366,7 @@ int unpoison_memory(unsigned long pfn)
		return 0;
		}
		if (TestClearPageHWPoison(p))
		atomic_long_sub(nr_pages, &num_poisoned_pages);
		atomic_long_dec(&num_poisoned_pages);
		pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn);
		return 0;
		}