Messages in this thread | | | Date | Sun, 2 Nov 2008 15:24:12 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [mm] [PATCH 4/4] Memory cgroup hierarchy feature selector |
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On Sun, 02 Nov 2008 11:33:51 +0530 Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> KAMEZAWA Hiroyuki wrote: > > On Sun, 02 Nov 2008 00:19:02 +0530 > > Balbir Singh <balbir@linux.vnet.ibm.com> wrote: > > > >> Don't enable multiple hierarchy support by default. This patch introduces > >> a features element that can be set to enable the nested depth hierarchy > >> feature. This feature can only be enabled when there is just one cgroup > >> (the root cgroup). > >> > > Why the flag is for the whole system ? > > flag-per-subtree is of no use ? > > Flag per subtree might not be useful, since we charge all the way up to root, Ah, what I said is "How about enabling/disabling hierarhcy support per subtree ?" Sorry for bad text.
like this. - you can set hierarchy mode of a cgroup turned on/off when... * you don't have any tasks under it && it doesn't have any child cgroup.
Thanks, -Kame
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