thp: mprotect: pass vma down to page table walkers
Flushing the tlb for huge pmds requires the vma's anon_vma, so pass along the vma instead of the mm, we can always get the latter when we need it. Signed-off-by: NJohannes Weiner <hannes@cmpxchg.org> Signed-off-by: NAndrea Arcangeli <aarcange@redhat.com> Reviewed-by: NRik van Riel <riel@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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