On Wed, Nov 20, 2019 at 04:07:38PM +0100, David Hildenbrand wrote: >On 18.11.19 09:20, Wei Yang wrote: >> hpage is not changed. >> >> Signed-off-by: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx> >> --- >> mm/memory-failure.c | 1 - >> 1 file changed, 1 deletion(-) >> >> diff --git a/mm/memory-failure.c b/mm/memory-failure.c >> index 392ac277b17d..9784f4339ae7 100644 >> --- a/mm/memory-failure.c >> +++ b/mm/memory-failure.c >> @@ -1319,7 +1319,6 @@ int memory_failure(unsigned long pfn, int flags) >> } >> unlock_page(p); >> VM_BUG_ON_PAGE(!page_count(p), p); >> - hpage = compound_head(p); >> } >> /* >> > >I am *absolutely* no transparent huge page expert (sorry :) ), but won't the >split_huge_page(p) eventually split the compound page, such that >compound_head(p) will return something else after that call? > ok, you may get some point. I lost some concentration here. Thanks >-- > >Thanks, > >David / dhildenb -- Wei Yang Help you, Help me
