Re: [PATCH v2 2/2] mm: khugepaged: check MMF_DISABLE_THP ahead of iterating over vmas

On Tue, Apr 6, 2021 at 8:06 PM wrote: > > From: Yanfei Xu > > We could check MMF_DISABLE_THP ahead of iterating over all of vma. > Otherwise if some mm_struct contain a large number of vma, there will > be amounts meaningless cpu cycles cost. Reviewed-by: Yang Shi > > Signed-off-by: Yanfei Xu

[PATCH v2 2/2] mm: khugepaged: check MMF_DISABLE_THP ahead of iterating over vmas

From: Yanfei Xu We could check MMF_DISABLE_THP ahead of iterating over all of vma. Otherwise if some mm_struct contain a large number of vma, there will be amounts meaningless cpu cycles cost. Signed-off-by: Yanfei Xu --- mm/khugepaged.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm