linux-kernel - Re: Cache Allocation Technology Design

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Message-ID: <20141029182234.GA13393@mtj.dyndns.org>
Date:	Wed, 29 Oct 2014 14:22:34 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Vikas Shivappa <vikas.shivappa@...el.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	"Auld, Will" <will.auld@...el.com>,
	Matt Fleming <matt@...sole-pimps.org>,
	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 Wed, Oct 29, 2014 at 10:41:47AM -0700, Vikas Shivappa wrote:
> Was wondering if it is a requirement of the 'full hierarchy' for the child
> to inherit the cbm of parent ? .
> Alternately we can allocate the CLOSid when a cgroup is created and have an
> empty cbm - but dont let the tasks to be added unless the user assigns a

Please don't do that.  All controllers must be fully hierarchical,
shouldn't fail task migration and always allow execution of member
tasks.

Thanks.

-- 
tejun
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