]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commitdiff
mm/hwpoison: replace atomic_long_sub() with atomic_long_dec()
authorWanpeng Li <liwanp@linux.vnet.ibm.com>
Wed, 11 Sep 2013 21:22:54 +0000 (14:22 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 11 Sep 2013 22:58:09 +0000 (15:58 -0700)
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>
mm/memory-failure.c

index 32351ec32048229792ae3395a902ae0bcb57bdc4..c69217c07faa3799956b0a63a4ce2f58f5d29c3e 100644 (file)
@@ -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;
        }