Commit 6edd6cc6 authored by Naoya Horiguchi's avatar Naoya Horiguchi Committed by Linus Torvalds

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: default avatarNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 888cf2db
......@@ -1132,11 +1132,6 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
}
}
/*
* Lock the page and wait for writeback to finish.
* It's very difficult to mess with pages currently under IO
* and in many cases impossible, so we just avoid it here.
*/
lock_page(hpage);
/*
......@@ -1186,6 +1181,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
if (PageHuge(p))
set_page_hwpoison_huge_page(hpage);
/*
* It's very difficult to mess with pages currently under IO
* and in many cases impossible, so we just avoid it here.
*/
wait_on_page_writeback(p);
/*
......
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