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linux/mm
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Mel Gorman d395b73428 page allocator: do not setup zonelist cache when there is only one node 
There is a zonelist cache which is used to track zones that are not in the
allowed cpuset or found to be recently full.  This is to reduce cache
footprint on large machines.  On smaller machines, it just incurs cost for
no gain.  This patch only uses the zonelist cache when there are NUMA
nodes.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: 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 19:47:34 -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 page allocator: do not disable interrupts in free_page_mlock() 2009-06-16 19:47:34 -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
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
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
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: do not setup zonelist cache when there is only one node 2009-06-16 19:47:34 -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
pagewalk.c
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
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
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