Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [11/16] HWPOISON: Handle poisoned pages in set_page_dirty() | Date | Fri, 29 May 2009 23:35:37 +0200 (CEST) |
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Bail out early in set_page_dirty for poisoned pages. We don't want any of the dirty accounting done or file system write back started, because the page will be just thrown away.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
--- mm/page-writeback.c | 4 ++++ 1 file changed, 4 insertions(+)
Index: linux/mm/page-writeback.c =================================================================== --- linux.orig/mm/page-writeback.c 2009-05-29 23:32:08.000000000 +0200 +++ linux/mm/page-writeback.c 2009-05-29 23:32:10.000000000 +0200 @@ -1277,6 +1277,10 @@ { struct address_space *mapping = page_mapping(page); + if (unlikely(PageHWPoison(page))) { + SetPageDirty(page); + return 0; + } if (likely(mapping)) { int (*spd)(struct page *) = mapping->a_ops->set_page_dirty; #ifdef CONFIG_BLOCK
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