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Subject[RFC][PATCH v1 01/11] mm: hwpoison: cleanup unused PageHuge() check
Date
memory_failure() forks to memory_failure_hugetlb() for hugetlb pages,
so a PageHuge() check after the fork should not be necessary.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
---
mm/memory-failure.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git v4.19-mmotm-2018-10-30-16-08/mm/memory-failure.c v4.19-mmotm-2018-10-30-16-08_patched/mm/memory-failure.c
index 0cd3de3..9f09bf3 100644
--- v4.19-mmotm-2018-10-30-16-08/mm/memory-failure.c
+++ v4.19-mmotm-2018-10-30-16-08_patched/mm/memory-failure.c
@@ -1357,10 +1357,7 @@ 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
--
2.7.0
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