mm/memory-failure.c: move comment
The comment about pages under writeback is far from the relevant code, so let's move it to the right place. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1132,11 +1132,6 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
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}
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}
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/*
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* Lock the page and wait for writeback to finish.
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* It's very difficult to mess with pages currently under IO
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* and in many cases impossible, so we just avoid it here.
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*/
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lock_page(hpage);
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/*
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@ -1186,6 +1181,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
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if (PageHuge(p))
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set_page_hwpoison_huge_page(hpage);
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/*
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* It's very difficult to mess with pages currently under IO
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* and in many cases impossible, so we just avoid it here.
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*/
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wait_on_page_writeback(p);
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/*
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