Mel Gorman 3dd2826698 page allocator: calculate the migratetype for allocation only once ... GFP mask is converted into a migratetype when deciding which pagelist to take a page from. However, it is happening multiple times per allocation, at least once per zone traversed. Calculate it once. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> 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 19:47:33 -07:00
..
allocpercpu.c	percpu: __percpu_depopulate_mask can take a const mask	2009-04-06 13:44:15 -07:00
backing-dev.c	block: change the request allocation/congestion logic to be sync/async based	2009-04-06 08:04:53 -07:00
bootmem.c	bootmem: fix slab fallback on numa	2009-06-11 19:15:54 +03:00
bounce.c	Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block	2009-06-11 11:10:35 -07:00
debug-pagealloc.c	generic debug pagealloc	2009-04-01 08:59:13 -07:00
dmapool.c
fadvise.c	readahead: move max_sane_readahead() calls into force_page_cache_readahead()	2009-06-16 19:47:28 -07:00
failslab.c	kmemtrace, mm: fix slab.h dependency problem in mm/failslab.c	2009-04-03 12:23:01 +02:00
filemap.c	page allocator: do not check NUMA node ID when the caller knows the node is valid	2009-06-16 19:47:32 -07:00
filemap_xip.c	mm: do_xip_mapping_read: fix length calculation	2009-04-02 19:04:49 -07:00
fremap.c	Do not account for the address space used by hugetlbfs using VM_ACCOUNT	2009-02-10 10:48:42 -08:00
highmem.c	mm: introduce debug_kmap_atomic	2009-04-01 08:59:14 -07:00
hugetlb.c	page allocator: do not check NUMA node ID when the caller knows the node is valid	2009-06-16 19:47:32 -07:00
init-mm.c	mm: consolidate init_mm definition	2009-06-16 19:47:28 -07:00
internal.h	nommu: there is no mlock() for NOMMU, so don't provide the bits	2009-04-01 08:59:14 -07:00
Kconfig	security: use mmap_min_addr indepedently of security models	2009-06-04 12:07:48 +10:00
Kconfig.debug	generic debug pagealloc: build fix	2009-04-02 19:04:48 -07:00
kmemleak-test.c	kmemleak: Simple testing module for kmemleak	2009-06-11 17:04:19 +01:00
kmemleak.c	kmemleak: Add the base support	2009-06-11 17:03:28 +01:00
maccess.c	[S390] maccess: add weak attribute to probe_kernel_write	2009-06-12 10:27:37 +02:00
madvise.c	readahead: move max_sane_readahead() calls into force_page_cache_readahead()	2009-06-16 19:47:28 -07:00
Makefile	mm: consolidate init_mm definition	2009-06-16 19:47:28 -07:00
memcontrol.c	memcg: fix build warning and avoid checking for mem != null again and again	2009-05-29 08:40:03 -07:00
memory.c	mm: clean up get_user_pages_fast() documentation	2009-06-16 19:47:30 -07:00
memory_hotplug.c	mm: remove GFP_HIGHUSER_PAGECACHE	2009-01-06 15:59:01 -08:00
mempolicy.c	page allocator: do not check NUMA node ID when the caller knows the node is valid	2009-06-16 19:47:32 -07:00
mempool.c
migrate.c	page allocator: do not check NUMA node ID when the caller knows the node is valid	2009-06-16 19:47:32 -07:00
mincore.c	[CVE-2009-0029] System call wrappers part 14	2009-01-14 14:15:24 +01:00
mlock.c	x86, bts, mm: clean up buffer allocation	2009-04-24 10:18:52 +02:00
mm_init.c	mm: mminit_loglevel cannot be __meminitdata anymore	2008-08-20 15:40:30 -07:00
mmap.c	Merge branch 'perfcounters-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2009-06-11 14:01:07 -07:00
mmu_notifier.c	mmu-notifiers: core	2008-07-28 16:30:21 -07:00
mmzone.c	[ARM] Double check memmap is actually valid with a memmap has unexpected holes V2	2009-05-18 11:22:24 +01:00
mprotect.c	perf_counter: Add mmap event hooks to mprotect()	2009-06-08 23:10:43 +02:00
mremap.c	[CVE-2009-0029] System call wrappers part 13	2009-01-14 14:15:23 +01:00
msync.c	[CVE-2009-0029] System call wrappers part 13	2009-01-14 14:15:23 +01:00
nommu.c	nommu: Provide mmap_min_addr definition.	2009-06-10 09:24:09 +10:00
oom_kill.c	oom: fix possible oom_dump_tasks NULL pointer	2009-05-29 08:40:01 -07:00
page-writeback.c	mm/page-writeback.c: dirty limit type should be unsigned long	2009-06-16 19:47:31 -07:00
page_alloc.c	page allocator: calculate the migratetype for allocation only once	2009-06-16 19:47:33 -07:00
page_cgroup.c	memcg: fix page_cgroup fatal error in FLATMEM	2009-06-12 11:00:54 +03:00
page_io.c	block: fix bad definition of BIO_RW_SYNC	2009-02-18 10:32:00 +01:00
page_isolation.c	memory hotplug: fix page_zone() calculation in test_pages_isolated()	2008-11-06 15:41:19 -08:00
pagewalk.c	pagemap: pass mm into pagewalkers	2008-06-12 18:05:41 -07:00
pdflush.c	Revert "mm: add /proc controls for pdflush threads"	2009-05-15 11:32:24 +02:00
percpu.c	percpu: remove rbtree and use page->index instead	2009-04-08 18:31:31 +02:00
prio_tree.c
quicklist.c	cpumask: replace node_to_cpumask with cpumask_of_node.	2009-03-13 14:49:46 +10:30
readahead.c	readahead: introduce context readahead algorithm	2009-06-16 19:47:30 -07:00
rmap.c	hugh: update email address	2009-05-21 13:14:32 -07:00
shmem.c	integrity: move ima_counts_get	2009-05-22 09:45:33 +10:00
shmem_acl.c	[PATCH] sanitize ->permission() prototype	2008-07-26 20:53:14 -04:00
slab.c	page allocator: do not check NUMA node ID when the caller knows the node is valid	2009-06-16 19:47:32 -07:00
slob.c	page allocator: do not check NUMA node ID when the caller knows the node is valid	2009-06-16 19:47:32 -07:00
slub.c	slab,slub: don't enable interrupts during early boot	2009-06-12 18:53:33 +03:00
sparse-vmemmap.c	vmemmap: warn about page_structs with remote distance	2008-11-06 15:41:19 -08:00
sparse.c	mm: mminit_validate_memmodel_limits(): remove redundant test	2009-04-01 08:59:11 -07:00
swap.c	mm: fix Committed_AS underflow on large NR_CPUS environment	2009-05-02 15:36:10 -07:00
swap_state.c	memcg: fix deadlock between lock_page_cgroup and mapping tree_lock	2009-05-29 08:40:02 -07:00
swapfile.c	PM/hibernate: fix "swap breaks after hibernation failures"	2009-02-21 14:17:17 -08:00
thrash.c
truncate.c	memcg: fix deadlock between lock_page_cgroup and mapping tree_lock	2009-05-29 08:40:02 -07:00
util.c	mm: clean up get_user_pages_fast() documentation	2009-06-16 19:47:30 -07:00
vmalloc.c	Merge branch 'for-linus' of git://linux-arm.org/linux-2.6	2009-06-11 14:15:57 -07:00
vmscan.c	vmscan: low order lumpy reclaim also should use PAGEOUT_IO_SYNC	2009-06-16 19:47:31 -07:00
vmstat.c	[ARM] Double check memmap is actually valid with a memmap has unexpected holes V2	2009-05-18 11:22:24 +01:00