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authorWanpeng Li <liwanp@linux.vnet.ibm.com>2013-09-11 14:22:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-11 15:58:09 -0700
commitdd9538a597f9ccd9a65be1cc3f71059a12b5b4ff (patch)
treed0c4c915b7dc9d38632587964c732cf7f54eff85 /mm/memory-failure.c
parent0cea3fdc416d593072c602725ed2ca02b889f31b (diff)
downloadtalos-op-linux-dd9538a597f9ccd9a65be1cc3f71059a12b5b4ff.tar.gz
talos-op-linux-dd9538a597f9ccd9a65be1cc3f71059a12b5b4ff.zip
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>
Diffstat (limited to 'mm/memory-failure.c')
-rw-r--r--mm/memory-failure.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 32351ec32048..c69217c07faa 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -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;
}
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