diff options
| author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2010-10-27 15:33:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:03:09 -0700 |
| commit | 1489ebad8b5b20300562f634f279cb9c435fd90b (patch) | |
| tree | 4bfa738b0733c11120705aaa37a45d87d1dd5534 /kernel/ptrace.c | |
| parent | 711d3d2c9bc3fb7cb5116352fecdb5b4adb6db6e (diff) | |
memcg: cpu hotplug aware quick acount_move detection
An event counter MEM_CGROUP_ON_MOVE is used for quick check whether file
stat update can be done in async manner or not. Now, it use percpu
counter and for_each_possible_cpu to update.
This patch replaces for_each_possible_cpu to for_each_online_cpu and adds
necessary synchronization logic at CPU HOTPLUG.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/ptrace.c')
0 files changed, 0 insertions, 0 deletions