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    Subject[PATCH 01/10] mm,hwpoison: cleanup unused PageHuge() check
    Date
    From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

    memory_failure() forks to memory_failure_hugetlb() for hugetlb pages,
    so a PageHuge() check after the fork should not be necessary.

    Signed-off-by: Oscar Salvador <osalvador@suse.de>
    Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
    Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
    ---
    mm/memory-failure.c | 5 +----
    1 file changed, 1 insertion(+), 4 deletions(-)

    diff --git a/mm/memory-failure.c b/mm/memory-failure.c
    index 7ef849da8278..e43b61462fd5 100644
    --- a/mm/memory-failure.c
    +++ b/mm/memory-failure.c
    @@ -1353,10 +1353,7 @@ int memory_failure(unsigned long pfn, int flags)
    * page_remove_rmap() in try_to_unmap_one(). So to determine page status
    * correctly, we save a copy of the page flags at this time.
    */
    - if (PageHuge(p))
    - page_flags = hpage->flags;
    - else
    - page_flags = p->flags;
    + page_flags = p->flags;

    /*
    * unpoison always clear PG_hwpoison inside page lock
    --
    2.12.3
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