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Message-Id: <20090224104751.4767a3a1.kamezawa.hiroyu@jp.fujitsu.com> Date: Tue, 24 Feb 2009 10:47:51 +0900 From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> To: Li Zefan <lizf@...fujitsu.com> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, menage@...gle.com, containers@...ts.linux-foundation.org Subject: Re: Question for remount On Tue, 24 Feb 2009 09:41:28 +0800 Li Zefan <lizf@...fujitsu.com> wrote: > >> To change the set of subsystems bound to a mounted hierarchy, just > >> remount with different options: > >> +# mount -o remount,cpuset,ns hier1 /dev/cgroup > >> > >> -# mount -o remount,cpuset,ns /dev/cgroup > >> +Now numtasks is removed from the hierarchy and ns is added. > >> + > >> +Note this will add ns to the hierarchy but won't remove numtasks or > >> +cpuset: > >> +# mount -o remount,ns /dev/cgroup > >> > > > > Just a question. What is "numtasks" here ? We have numtasks cgroup ? > > > > No, I guess that's a proposed but not implemented cgroup subsystem. :) > And I can change it to an existing one. > O.K. thanks. BTW, how about writing this kind of text in explicit way ? +Note: this will add ns to the hierarchy but won't remove numtasks or +cpuset because new options is appended to old options. If you want to +override, please use..... -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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