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Mel Gorman 722191a52a mm: page_alloc: reduce number of times page_to_pfn is called 
commit dc4b0caff2 upstream.

In the free path we calculate page_to_pfn multiple times. Reduce that.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Jan Kara <jack@suse.cz>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2015-01-29 17:40:51 -08:00
..
acpi ACPI / hotplug: Generate online uevents for ACPI containers 2014-10-05 14:52:16 -07:00
asm-generic mm: use paravirt friendly ops for NUMA hinting ptes 2014-05-31 13:20:30 -07:00
clocksource
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crypto crypto: scatterwalk - Use sg_chain_ptr on chain entries 2013-12-09 19:58:52 +08:00
drm drm/radeon: remove invalid pci id 2014-11-14 09:00:12 -08:00
dt-bindings pinctrl: dra: dt-bindings: Fix output pull up/down 2014-11-21 09:23:02 -08:00
keys
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kvm ARM: KVM: fix non-VGIC compilation 2014-03-06 09:47:42 +01:00
linux mm: page_alloc: reduce number of times page_to_pfn is called 2015-01-29 17:40:51 -08:00
math-emu math-emu: fix floating-point to integer overflow detection 2014-01-07 18:36:24 -06:00
media media: vb2: fix VBI/poll regression 2014-10-09 12:21:27 -07:00
memory
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misc
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net net: sctp: fix skb_over_panic when receiving malformed ASCONF chunks 2014-11-21 09:23:06 -08:00
pcmcia
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ras
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rdma IB/core: Don't resolve passive side RoCE L2 address in CMA REQ handler 2014-05-06 07:59:28 -07:00
rxrpc
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scsi scsi: do not issue SCSI RSOC command to Promise Vtrak E610f 2014-09-17 09:19:14 -07:00
sound ASoC: dpcm: Fix race between FE/BE updates and trigger 2014-12-06 15:55:35 -08:00
target target: Report correct response length for some commands 2014-06-30 20:12:00 -07:00
trace tracing/sched: Check preempt_count() for current when reading task->state 2015-01-16 06:59:32 -08:00
uapi in6: fix conflict with glibc 2015-01-27 08:18:53 -08:00
video video: pxa168fb: Cleanup pxa168fb.h file 2014-01-17 10:57:43 +02:00
xen Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2014-02-14 10:45:18 -08:00
Kbuild
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