KAMEZAWA Hiroyuki ac34a1a3c3 memcg: fix direct softlimit reclaim to be called in limit path ... Commit d149e3b25d ("memcg: add the soft_limit reclaim in global direct reclaim") adds a softlimit hook to shrink_zones(). By this, soft limit is called as try_to_free_pages() do_try_to_free_pages() shrink_zones() mem_cgroup_soft_limit_reclaim() Then, direct reclaim is memcg softlimit hint aware, now. But, the memory cgroup's "limit" path can call softlimit shrinker. try_to_free_mem_cgroup_pages() do_try_to_free_pages() shrink_zones() mem_cgroup_soft_limit_reclaim() This will cause a global reclaim when a memcg hits limit. This is bug. soft_limit_reclaim() should be called when scanning_global_lru(sc) == true. And the commit adds a variable "total_scanned" for counting softlimit scanned pages....it's not "total". This patch removes the variable and update sc->nr_scanned instead of it. This will affect shrink_slab()'s scan condition but, global LRU is scanned by softlimit and I think this change makes sense. TODO: avoid too much scanning of a zone when softlimit did enough work. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Ying Han <yinghan@google.com> Cc: Michal Hocko <mhocko@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2011-06-27 18:00:13 -07:00
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backing-dev.c
bootmem.c
bounce.c
cleancache.c
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
fadvise.c
failslab.c
filemap.c
filemap_xip.c
fremap.c
highmem.c
huge_memory.c
hugetlb.c	mm: fix negative commitlimit when gigantic hugepages are allocated	2011-06-15 20:04:01 -07:00
hwpoison-inject.c
init-mm.c
internal.h
Kconfig
Kconfig.debug
kmemcheck.c
kmemleak-test.c
kmemleak.c
ksm.c	ksm: fix NULL pointer dereference in scan_get_next_rmap_item()	2011-06-15 20:04:02 -07:00
maccess.c
madvise.c
Makefile
memblock.c
memcontrol.c	mm: move shmem prototypes to shmem_fs.h	2011-06-27 18:00:12 -07:00
memory-failure.c	mm/memory-failure.c: fix spinlock vs mutex order	2011-06-27 18:00:13 -07:00
memory.c	mm: move vmtruncate_range to truncate.c	2011-06-27 18:00:12 -07:00
memory_hotplug.c	mm, hotplug: protect zonelist building with zonelists_mutex	2011-06-22 21:06:48 -07:00
mempolicy.c
mempool.c
migrate.c	migrate: don't account swapcache as shmem	2011-06-16 15:01:24 -07:00
mincore.c
mlock.c
mm_init.c
mmap.c	mm: get rid of the most spurious find_vma_prev() users	2011-06-16 00:35:09 -07:00
mmu_context.c
mmu_notifier.c
mmzone.c
mprotect.c
mremap.c
msync.c
nobootmem.c
nommu.c
oom_kill.c
page-writeback.c
page_alloc.c
page_cgroup.c	memcg: fix init_page_cgroup nid with sparsemem	2011-06-15 20:04:01 -07:00
page_io.c
page_isolation.c
pagewalk.c
percpu-km.c
percpu-vm.c
percpu.c
pgtable-generic.c
prio_tree.c
quicklist.c
readahead.c
rmap.c	mm/memory-failure.c: fix spinlock vs mutex order	2011-06-27 18:00:13 -07:00
shmem.c	tmpfs: add shmem_read_mapping_page_gfp	2011-06-27 18:00:12 -07:00
slab.c
slob.c
slub.c
sparse-vmemmap.c
sparse.c
swap.c
swap_state.c
swapfile.c	mm: move shmem prototypes to shmem_fs.h	2011-06-27 18:00:12 -07:00
thrash.c	vmscan: implement swap token priority aging	2011-06-15 20:03:59 -07:00
truncate.c	mm: fix assertion mapping->nrpages == 0 in end_writeback()	2011-06-27 18:00:13 -07:00
util.c
vmalloc.c
vmscan.c	memcg: fix direct softlimit reclaim to be called in limit path	2011-06-27 18:00:13 -07:00
vmstat.c