KAMEZAWA Hiroyuki ef8745c1e7 memcg: reduce check for softlimit excess ...

In charge/uncharge/reclaim path, usage_in_excess is calculated repeatedly
and it takes res_counter's spin_lock every time.

This patch removes unnecessary calls for res_count_soft_limit_excess.

Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2009-10-01 16:11:13 -07:00

..

allocpercpu.c

…

backing-dev.c

…

bootmem.c

…

bounce.c

…

debug-pagealloc.c

…

dmapool.c

…

fadvise.c

…

failslab.c

…

filemap_xip.c

…

filemap.c

…

fremap.c

…

highmem.c

…

hugetlb.c

…

hwpoison-inject.c

…

init-mm.c

…

internal.h

…

Kconfig

…

Kconfig.debug

…

kmemcheck.c

…

kmemleak-test.c

…

kmemleak.c

…

ksm.c

…

maccess.c

…

madvise.c

…

Makefile

…

memcontrol.c

…

memory_hotplug.c

…

memory-failure.c

…

memory.c

…

mempolicy.c

…

mempool.c

…

migrate.c

…

mincore.c

…

mlock.c

…

mm_init.c

…

mmap.c

…

mmu_context.c

…

mmu_notifier.c

…

mmzone.c

…

mprotect.c

…

mremap.c

…

msync.c

…

nommu.c

…

oom_kill.c

…

page_alloc.c

…

page_cgroup.c

…

page_io.c

…

page_isolation.c

…

page-writeback.c

…

pagewalk.c

…

percpu.c

…

prio_tree.c

…

quicklist.c

…

readahead.c

…

rmap.c

…

shmem_acl.c

…

shmem.c

…

slab.c

…

slob.c

…

slub.c

…

sparse-vmemmap.c

…

sparse.c

…

swap_state.c

…

swap.c

…

swapfile.c

…

thrash.c

…

truncate.c

…

util.c

…

vmalloc.c

…

vmscan.c

…

vmstat.c

…