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Open Source and information security mailing list archives
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Date: Thu, 30 Oct 2014 14:14:13 +0000 From: Matt Fleming <matt@...sole-pimps.org> To: Tejun Heo <tj@...nel.org> Cc: Peter Zijlstra <peterz@...radead.org>, Vikas Shivappa <vikas.shivappa@...el.com>, "Auld, Will" <will.auld@...el.com>, Vikas Shivappa <vikas.shivappa@...ux.intel.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Fleming, Matt" <matt.fleming@...el.com> Subject: Re: Cache Allocation Technology Design On Thu, 30 Oct, at 08:43:33AM, Tejun Heo wrote: > Hello, Peter. > > On Thu, Oct 30, 2014 at 08:07:25AM +0100, Peter Zijlstra wrote: > > If this means echo $tid > tasks, then sorry we can't do. There is a > > limited number of hardware resources backing this thing. At some point > > they're consumed and something must give. > > And that something shouldn't be disallowing task migration across > cgroups. This simply doesn't work with co-mounting or unified > hierarchy. cpuset automatically takes on the nearest ancestor's > configuration which has enough execution resources. Maybe that can be > an option for this too? Oh, you can always add more tasks to a cgroup, or move tasks between cgroups. What you can't always do is create more cgroups. -- Matt Fleming, Intel Open Source Technology Center -- 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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