Messages in this thread | | | Date | Tue, 3 Oct 2017 19:44:48 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [PATCH] mm: remove unnecessary WARN_ONCE in page_vma_mapped_walk(). |
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On Tue, Oct 03, 2017 at 10:26:06AM -0400, Zi Yan wrote: > From: Zi Yan <zi.yan@cs.rutgers.edu> > > A non present pmd entry can appear after pmd_lock is taken in > page_vma_mapped_walk(), even if THP migration is not enabled. > The WARN_ONCE is unnecessary. > > Fixes: 616b8371539a ("mm: thp: enable thp migration in generic path") > Reported-and-tested-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com> > Signed-off-by: Zi Yan <zi.yan@cs.rutgers.edu> > Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> > Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> > Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
-- Kirill A. Shutemov
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