tree 44d145e6139c8753659ee773ae35810dc3d92d0b
parent b36f5b0710e9e3b92484de32920fddcb17278664
author Johannes Weiner <hannes@cmpxchg.org> 1294962424 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1294968764 -0800

thp: mprotect: transparent huge page support

Natively handle huge pmds when changing page tables on behalf of
mprotect().

I left out update_mmu_cache() because we do not need it on x86 anyway but
more importantly the interface works on ptes, not pmds.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>