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authorJohannes Weiner <hannes@cmpxchg.org>2009-06-16 18:32:35 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 22:47:40 -0400
commit3b6748e2dd69906af3835db4dc9d1c8a3ee4c68c (patch)
tree5d5476844f8e29e31684ce8ccf7e163ab3182ad6 /scripts/rt-tester/t3-l1-pi-signal.tst
parent03668a4debf4f50de55c34b6e66dae63e1c73716 (diff)
mm: introduce follow_pfn()
Analoguous to follow_phys(), add a helper that looks up the PFN at a user virtual address in an IO mapping or a raw PFN mapping. 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>
Diffstat (limited to 'scripts/rt-tester/t3-l1-pi-signal.tst')
0 files changed, 0 insertions, 0 deletions