mm/memory-failure.c: use page_shift() in add_to_kill()
page_shift() is supported after the commit 94ad9338 ("mm: introduce page_shift()"). So replace with page_shift() in add_to_kill() for readability. Link: http://lkml.kernel.org/r/543d8bc9-f2e7-3023-7c35-2e7ed67c0e82@huawei.comSigned-off-by: NYunfeng Ye <yeyunfeng@huawei.com> Reviewed-by: NDavid Hildenbrand <david@redhat.com> Acked-by: NNaoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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