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| author | Daisuke Nishimura | 2010-03-11 00:22:16 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2010-03-13 00:52:36 +0100 |
| commit | 8033b97c9b5ef063e3f4bf2efe1cd0a22093aaff (patch) | |
| tree | 0d3dbf74d6c307d425d5d13a5c7c1efbf6c079f2 /mm/page_cgroup.c | |
| parent | memcg: improve performance in moving charge (diff) | |
| download | kernel-qcow2-linux-8033b97c9b5ef063e3f4bf2efe1cd0a22093aaff.tar.gz kernel-qcow2-linux-8033b97c9b5ef063e3f4bf2efe1cd0a22093aaff.tar.xz kernel-qcow2-linux-8033b97c9b5ef063e3f4bf2efe1cd0a22093aaff.zip | |
memcg: avoid oom during moving charge
This move-charge-at-task-migration feature has extra charges on
"to"(pre-charges) and "from"(left-over charges) during moving charge.
This means unnecessary oom can happen.
This patch tries to avoid such oom.
Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Paul Menage <menage@google.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 'mm/page_cgroup.c')
0 files changed, 0 insertions, 0 deletions