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Johannes Weiner a4d3e9e763 mm: vmscan: fix force-scanning small targets without swap 
Without swap, anonymous pages are not scanned.  As such, they should not
count when considering force-scanning a small target if there is no swap.

Otherwise, targets are not force-scanned even when their effective scan
number is zero and the other conditions--kswapd/memcg--apply.

This fixes 246e87a93934 ("memcg: fix get_scan_count() for small
targets").

[akpm@linux-foundation.org: fix comment]
Signed-off-by: Johannes Weiner <jweiner@redhat.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Cc: Ying Han <yinghan@google.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-09-14 18:09:37 -07:00
..
backing-dev.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback
2011-07-26 10:39:54 -07:00
bootmem.c
crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn
2011-03-23 19:47:19 -07:00
bounce.c
bounce: call flush_dcache_page() after bounce_copy_vec()
2010-09-09 18:57:25 -07:00
cleancache.c
mm: cleancache core ops functions and config
2011-05-26 10:01:36 -06:00
compaction.c
mm: compaction: abort compaction if too many pages are isolated and caller is asynchronous V2
2011-06-15 20:04:02 -07:00
debug-pagealloc.c
…
dmapool.c
devres: fix possible use after free
2011-07-25 20:57:14 -07:00
fadvise.c
readahead: introduce FMODE_RANDOM for POSIX_FADV_RANDOM
2010-03-06 11:26:25 -08:00
failslab.c
fault-injection: add ability to export fault_attr in arbitrary directory
2011-08-03 14:25:20 -10:00
filemap_xip.c
mm: Convert i_mmap_lock to a mutex
2011-05-25 08:39:18 -07:00
filemap.c
mm: clarify the radix_tree exceptional cases
2011-08-03 14:25:24 -10:00
fremap.c
mm: don't access vm_flags as 'int'
2011-05-26 09:20:31 -07:00
highmem.c
mm: make HASHED_PAGE_VIRTUAL page_address' struct page argument const.
2011-08-17 13:00:20 -07:00
huge_memory.c
mm/huge_memory.c: minor lock simplification in __khugepaged_exit
2011-07-25 20:57:09 -07:00
hugetlb.c
mm: hugetlb: fix coding style issues
2011-07-25 20:57:09 -07:00
hwpoison-inject.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
init-mm.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
internal.h
mm: nommu: sort mm->mmap list properly
2011-05-25 08:39:05 -07:00
Kconfig
mm Kconfig typo: cleancacne -> cleancache
2011-06-10 14:47:52 +02:00
Kconfig.debug
mm: debug-pagealloc: fix kconfig dependency warning
2011-03-22 17:44:02 -07:00
kmemcheck.c
kmemcheck: Fix build errors due to missing slab.h
2010-03-30 22:02:32 +09:00
kmemleak-test.c
kmemleak: remove memset by using kzalloc
2011-01-27 18:31:51 +00:00
kmemleak.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
ksm.c
ksm: fix NULL pointer dereference in scan_get_next_rmap_item()
2011-06-15 20:04:02 -07:00
maccess.c
maccess,probe_kernel: Make write/read src const void *
2011-05-25 19:56:23 -04:00
madvise.c
fs: kill i_alloc_sem
2011-07-20 20:47:46 -04:00
Makefile
mm: cleancache core ops functions and config
2011-05-26 10:01:36 -06:00
memblock.c
mm/memblock.c: avoid abuse of RED_INACTIVE
2011-07-25 20:57:09 -07:00
memcontrol.c
memcg: fix hierarchical oom locking
2011-08-25 16:25:34 -07:00
memory_hotplug.c
mm: extend memory hotplug API to allow memory hotplug in virtual machines
2011-07-25 20:57:08 -07:00
memory-failure.c
HWPoison: add memory_failure_queue()
2011-08-03 11:15:58 -04:00
memory.c
mm/futex: fix futex writes on archs with SW tracking of dirty & young
2011-07-25 20:57:11 -07:00
mempolicy.c
mm/mempolicy.c: make copy_from_user() provably correct
2011-09-14 18:09:36 -07:00
mempool.c
mm: remove broken 'kzalloc' mempool
2009-09-22 07:17:35 -07:00
migrate.c
migrate: don't account swapcache as shmem
2011-06-16 15:01:24 -07:00
mincore.c
mm: clarify the radix_tree exceptional cases
2011-08-03 14:25:24 -10:00
mlock.c
mm: don't access vm_flags as 'int'
2011-05-26 09:20:31 -07:00
mm_init.c
…
mmap.c
mmap: fix and tidy up overcommit page arithmetic
2011-07-25 20:57:09 -07:00
mmu_context.c
exit: fix oops in sync_mm_rss
2010-03-24 16:31:21 -07:00
mmu_notifier.c
thp: mmu_notifier_test_young
2011-01-13 17:32:46 -08:00
mmzone.c
mm: page allocator: adjust the per-cpu counter threshold when memory is low
2011-01-13 17:32:31 -08:00
mprotect.c
thp: mprotect: transparent huge page support
2011-01-13 17:32:44 -08:00
mremap.c
mm: Convert i_mmap_lock to a mutex
2011-05-25 08:39:18 -07:00
msync.c
sanitize vfs_fsync calling conventions
2010-05-21 18:31:21 -04:00
nobootmem.c
memblock/nobootmem: remove unneeded code from alloc_bootmem_node_high()
2011-05-25 08:39:31 -07:00
nommu.c
mmap: fix and tidy up overcommit page arithmetic
2011-07-25 20:57:09 -07:00
oom_kill.c
oom: task->mm == NULL doesn't mean the memory was freed
2011-08-01 15:24:12 -10:00
page_alloc.c
fault-injection: add ability to export fault_attr in arbitrary directory
2011-08-03 14:25:20 -10:00
page_cgroup.c
mm/page_cgroup.c: simplify code by using SECTION_ALIGN_UP() and SECTION_ALIGN_DOWN() macros
2011-07-25 20:57:09 -07:00
page_io.c
block: kill off REQ_UNPLUG
2011-03-10 08:52:27 +01:00
page_isolation.c
mm: page_isolation: codeclean fix comment and rm unneeded val init
2010-10-26 16:52:11 -07:00
page-writeback.c
squeeze max-pause area and drop pass-good area
2011-08-19 22:42:07 +08:00
pagewalk.c
pagewalk: fix code comment for THP
2011-07-25 20:57:09 -07:00
percpu-km.c
percpu: clear memory allocated with the km allocator
2010-10-02 10:28:42 +03:00
percpu-vm.c
mm: remove gfp mask from pcpu_get_vm_areas
2011-01-13 17:32:34 -08:00
percpu.c
Merge branch 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
2011-05-24 11:53:42 -07:00
pgtable-generic.c
mm/pgtable-generic.c: fix CONFIG_SWAP=n build
2011-01-26 10:49:58 +10:00
prio_tree.c
sanitize <linux/prefetch.h> usage
2011-05-20 12:50:29 -07:00
quicklist.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
readahead.c
readahead: readahead page allocations are OK to fail
2011-05-25 08:39:25 -07:00
rmap.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback
2011-07-26 10:39:54 -07:00
shmem.c
mm: clarify the radix_tree exceptional cases
2011-08-03 14:25:24 -10:00
slab.c
slab, lockdep: Annotate the locks before using them
2011-08-04 10:18:00 +02:00
slob.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
slub.c
slub: Fix partial count comparison confusion
2011-08-09 21:12:31 +03:00
sparse-vmemmap.c
tree-wide: fix comment/printk typos
2010-11-01 15:38:34 -04:00
sparse.c
mm: make some struct page's const
2011-07-25 20:57:07 -07:00
swap_state.c
block: remove per-queue plugging
2011-03-10 08:52:07 +01:00
swap.c
mm: batch activate_page() to reduce lock contention
2011-05-25 08:39:37 -07:00
swapfile.c
mm: let swap use exceptional entries
2011-08-03 14:25:22 -10:00
thrash.c
mm: swap-token: add a comment for priority aging
2011-07-25 20:57:08 -07:00
truncate.c
mm: a few small updates for radix-swap
2011-08-03 14:25:24 -10:00
util.c
mm: nommu: sort mm->mmap list properly
2011-05-25 08:39:05 -07:00
vmalloc.c
mm: fix wrong vmap address calculations with odd NR_CPUS values
2011-08-14 12:32:52 -07:00
vmscan.c
mm: vmscan: fix force-scanning small targets without swap
2011-09-14 18:09:37 -07:00
vmstat.c
numa: fix NUMA compile error when sysfs and procfs are disabled
2011-09-14 18:09:37 -07:00