Johannes Weiner 3b6748e2dd 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>		2009-06-16 19:47:40 -07:00
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acpi	Merge branch 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel	2009-04-28 17:21:20 -07:00
asm-generic	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6	2009-06-15 03:02:23 -07:00
crypto
drm	Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6	2009-06-12 18:09:18 -07:00
keys
linux	mm: introduce follow_pfn()	2009-06-16 19:47:40 -07:00
math-emu
media	V4L/DVB (11381): ivtv/cx18: remove VIDIOC_INT_S_AUDIO_ROUTING debug support.	2009-04-06 21:44:28 -03:00
mtd
net	pkt_sched: Rename PSCHED_US2NS and PSCHED_NS2US	2009-06-15 02:31:47 -07:00
pcmcia
rdma
rxrpc
scsi	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6	2009-06-15 03:02:23 -07:00
sound	Merge branch 'topic/pcm-jiffies-check' into for-linus	2009-06-10 07:26:41 +02:00
trace	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6	2009-06-15 03:02:23 -07:00
video	fb: add support of LCD display controller on pxa168/910 (base layer)	2009-06-13 00:09:09 +08:00
xen	Merge branches 'for-linus/xen/dev-evtchn', 'for-linus/xen/xenbus', 'for-linus/xen/xenfs' and 'for-linus/xen/sys-hypervisor' into for-linus/xen/master	2009-03-30 10:00:45 -07:00
Kbuild	xen: export ioctl headers to userspace	2009-03-30 09:26:49 -07:00