linux/drivers/misc
Mel Gorman 6484eb3e2a page allocator: do not check NUMA node ID when the caller knows the node is valid
Callers of alloc_pages_node() can optionally specify -1 as a node to mean
"allocate from the current node".  However, a number of the callers in
fast paths know for a fact their node is valid.  To avoid a comparison and
branch, this patch adds alloc_pages_exact_node() that only checks the nid
with VM_BUG_ON().  Callers that know their node is valid are then
converted.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Paul Mundt <lethal@linux-sh.org>	[for the SLOB NUMA bits]
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-16 19:47:32 -07:00
..
c2port
cb710 cb710: more cleanup for the DEBUG case. 2009-06-13 22:42:59 +02:00
eeprom at25: make input buffers of at25_*write() const 2009-04-13 15:04:32 -07:00
hdpuftrs
ibmasm
sgi-gru page allocator: do not check NUMA node ID when the caller knows the node is valid 2009-06-16 19:47:32 -07:00
sgi-xp page allocator: do not check NUMA node ID when the caller knows the node is valid 2009-06-16 19:47:32 -07:00
atmel_pwm.c
atmel_tclib.c
atmel-ssc.c
enclosure.c [SCSI] ses: fix problems caused by empty SES provided name 2009-05-15 12:20:57 -04:00
hpilo.c
hpilo.h
ics932s401.c
ioc4.c
isl29003.c isl29003: fix resume functionality 2009-05-06 16:36:10 -07:00
Kconfig mmc: Driver for CB710/720 memory card reader (MMC part) 2009-06-13 22:42:58 +02:00
kgdbts.c
lkdtm.c
Makefile mmc: Driver for CB710/720 memory card reader (MMC part) 2009-06-13 22:42:58 +02:00
phantom.c
tifm_7xx1.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
tifm_core.c