The patch titled Subject: HWPOISON: check dirty flag to match against clean page has been added to the -mm tree. Its filename is hwpoison-check-dirty-flag-to-match-against-clean-page.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> Subject: HWPOISON: check dirty flag to match against clean page Currently page_action() does not check dirty flag to determine whether the error page is "clean mlocked/unevictable LRU" page. This doesn't cause any misjudgement because we do matching against "dirty mlocked/unevictable LRU" just before the check. But in order to make code consistent and/or to avoid potential regression, we had better check dirty flag explicitly. Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> Suggested-by: Chen Gong <gong.chen@xxxxxxxxxxxxxxx> Cc: Andi Kleen <andi@xxxxxxxxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Wu Fengguang <fengguang.wu@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memory-failure.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff -puN mm/memory-failure.c~hwpoison-check-dirty-flag-to-match-against-clean-page mm/memory-failure.c --- a/mm/memory-failure.c~hwpoison-check-dirty-flag-to-match-against-clean-page +++ a/mm/memory-failure.c @@ -785,10 +785,10 @@ static struct page_state { { sc|dirty, sc, "clean swapcache", me_swapcache_clean }, { mlock|dirty, mlock|dirty, "dirty mlocked LRU", me_pagecache_dirty }, - { mlock, mlock, "clean mlocked LRU", me_pagecache_clean }, + { mlock|dirty, mlock, "clean mlocked LRU", me_pagecache_clean }, { unevict|dirty, unevict|dirty, "dirty unevictable LRU", me_pagecache_dirty }, - { unevict, unevict, "clean unevictable LRU", me_pagecache_clean }, + { unevict|dirty, unevict, "clean unevictable LRU", me_pagecache_clean }, { lru|dirty, lru|dirty, "dirty LRU", me_pagecache_dirty }, { lru|dirty, lru, "clean LRU", me_pagecache_clean }, _ Patches currently in -mm which might be from n-horiguchi@xxxxxxxxxxxxx are origin.patch hwpoison-check-dirty-flag-to-match-against-clean-page.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html