Commit dd9538a5 authored by Wanpeng Li's avatar Wanpeng Li Committed by Linus Torvalds

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: default avatarWanpeng Li <liwanp@linux.vnet.ibm.com>
Reviewed-by: default avatarNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0cea3fdc
...@@ -1366,7 +1366,7 @@ int unpoison_memory(unsigned long pfn) ...@@ -1366,7 +1366,7 @@ int unpoison_memory(unsigned long pfn)
return 0; return 0;
} }
if (TestClearPageHWPoison(p)) 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); pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn);
return 0; return 0;
} }
......
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