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Mel Gorman 974709bdb2 page allocator: get the pageblock migratetype without disabling interrupts 
Local interrupts are disabled when freeing pages to the PCP list.  Part of
that free checks what the migratetype of the pageblock the page is in but
it checks this with interrupts disabled and interupts should never be
disabled longer than necessary.  This patch checks the pagetype with
interrupts enabled with the impact that it is possible a page is freed to
the wrong list when a pageblock changes type.  As that block is now
already considered mixed from an anti-fragmentation perspective, it's not
of vital importance.

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 19:47:35 -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
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
fremap.c
highmem.c
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
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
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
msync.c
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: get the pageblock migratetype without disabling interrupts 2009-06-16 19:47:35 -07:00
page_cgroup.c memcg: fix page_cgroup fatal error in FLATMEM 2009-06-12 11:00:54 +03:00
page_io.c
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
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
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
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 page allocator: use allocation flags as an index to the zone watermark 2009-06-16 19:47:35 -07:00
vmstat.c page allocator: use allocation flags as an index to the zone watermark 2009-06-16 19:47:35 -07:00