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Message-ID: <4D78E3EB.8080207@librato.com> Date: Thu, 10 Mar 2011 09:44:59 -0500 From: Mike Heffner <mike@...rato.com> To: Paul Menage <menage@...gle.com> CC: Eric B Munson <emunson@...bm.net>, linux-kernel@...r.kernel.org, containers@...ts.linux-foundation.org, rdunlap@...otime.net, linux-doc@...r.kernel.org Subject: Re: [PATCH] Documentation: cgroups: Add notes on removing PIDs from tasks and cgroups requiring setup On 03/09/2011 06:13 PM, Paul Menage wrote: > On Wed, Mar 9, 2011 at 1:09 PM, Eric B Munson<emunson@...bm.net> wrote: >> >> +Note: To remove a task from a cgroup you must write its PID to the root >> +tasks file. >> + > > This isn't really accurate - the root cgroup is a cgroup like all the > others. More accurate would be something like: > > Since every task is always a member of exactly one cgroup in each > mounted hierarchy, to remove a task from its current cgroup you must > move it into a new cgroup (possibly the root cgroup) by writing to the > new cgroup's tasks file. If we are updating this documentation, can we include a blurb that mentions if the 'ns' cgroup is mounted in the hierarchy, moving a process to a new cgroup can fail? Mike -- 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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