tree f1b5e91072238c2a303940bd522485484dc22105
parent e9bb35df6f813ca46f8e6273add657643c7df73f
author Johannes Weiner <hannes@cmpxchg.org> 1245191553 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1245206859 -0700

mm: introduce follow_pte()

A generic readonly page table lookup helper to map an address space and an
address from it to a pte.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Hellwig <hch@infradead.org>
Acked-by: Magnus Damm <magnus.damm@gmail.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>