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Date: Sun, 2 Nov 2008 15:24:12 +0900 From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> To: balbir@...ux.vnet.ibm.com Cc: linux-mm@...ck.org, YAMAMOTO Takashi <yamamoto@...inux.co.jp>, Paul Menage <menage@...gle.com>, lizf@...fujitsu.com, linux-kernel@...r.kernel.org, Nick Piggin <nickpiggin@...oo.com.au>, David Rientjes <rientjes@...gle.com>, Pavel Emelianov <xemul@...nvz.org>, Dhaval Giani <dhaval@...ux.vnet.ibm.com>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [mm] [PATCH 4/4] Memory cgroup hierarchy feature selector On Sun, 02 Nov 2008 11:33:51 +0530 Balbir Singh <balbir@...ux.vnet.ibm.com> wrote: > KAMEZAWA Hiroyuki wrote: > > On Sun, 02 Nov 2008 00:19:02 +0530 > > Balbir Singh <balbir@...ux.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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