On Tue, Oct 03, 2017 at 10:26:06AM -0400, Zi Yan wrote:
> From: Zi Yan <zi....@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 <abdha...@linux.vnet.ibm.com>
> Signed-off-by: Zi Yan <zi....@cs.rutgers.edu>
> Cc: "Kirill A. Shutemov" <kirill.shute...@linux.intel.com>
> Cc: Anshuman Khandual <khand...@linux.vnet.ibm.com>
> Cc: Andrew Morton <a...@linux-foundation.org>
Acked-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
--
Kirill A. Shutemov
