thp: add x86 32bit support

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Add support for transparent hugepages to x86 32bit.

Share the same VM_ bitflag for VM_MAPPED_COPY.  mm/nommu.c will never
support transparent hugepages.

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>

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Johannes Weiner 2011-01-13 15:47:01 -08:00 • committed by Linus Torvalds

parent 5f24ce5fd3

commit f2d6bfe9ff

7 changed files with 156 additions and 115 deletions

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include/linux/mm.h

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