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From: Matt Fleming <matt@console-pimps.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com>,
	linux-kernel@vger.kernel.org,
	Matt Fleming <matt.fleming@intel.com>,
	Will Auld <will.auld@intel.com>, Tejun Heo <tj@kernel.org>,
	Vikas Shivappa <vikas.shivappa@intel.com>
Subject: Re: Cache Allocation Technology Design
Date: Tue, 28 Oct 2014 23:22:15 +0000	[thread overview]
Message-ID: <20141028232215.GO12020@console-pimps.org> (raw)
In-Reply-To: <20141024105306.GI12706@worktop.programming.kicks-ass.net>

On Fri, 24 Oct, at 12:53:06PM, Peter Zijlstra wrote:
> 
> NAK, cgroups must support full hierarchies, simply enforce that the
> child cgroup's mask is a subset of the parent's.

For the specific case of Cache Allocation, if we're creating hierarchies
from bitmasks, there's a very clear limit to how we can divide up the
bits - we can't support an indefinite number of cgroup directories.

What do you mean by "full hierarchies"?

-- 
Matt Fleming, Intel Open Source Technology Center

  reply	other threads:[~2014-10-28 23:22 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-16 18:44 Cache Allocation Technology Design vikas
2014-10-20 16:18 ` Matt Fleming
2014-10-24 10:53   ` Peter Zijlstra
2014-10-28 23:22     ` Matt Fleming [this message]
2014-10-29  8:16       ` Peter Zijlstra
2014-10-29 12:48         ` Matt Fleming
2014-10-29 13:45           ` Peter Zijlstra
2014-10-29 16:32             ` Auld, Will
2014-10-29 17:28               ` Peter Zijlstra
2014-10-29 17:41                 ` Vikas Shivappa
2014-10-29 18:22                   ` Tejun Heo
2014-10-30  7:07                     ` Peter Zijlstra
2014-10-30  7:14                       ` Peter Zijlstra
2014-10-30 12:44                         ` Tejun Heo
2014-10-30 13:19                           ` Peter Zijlstra
2014-10-30 15:25                             ` Tejun Heo
2014-10-30 12:43                       ` Tejun Heo
2014-10-30 13:18                         ` Peter Zijlstra
2014-10-30 17:03                           ` Tejun Heo
2014-10-30 21:43                             ` Peter Zijlstra
2014-10-30 22:22                               ` Tejun Heo
2014-10-30 22:47                                 ` Peter Zijlstra
2014-11-06 16:27                                   ` Matt Fleming
2014-11-06 17:20                                     ` Vikas Shivappa
2014-10-31 13:07                                 ` Peter Zijlstra
2014-10-31 15:58                                   ` Tejun Heo
2014-11-04 13:13                                     ` Peter Zijlstra
2014-11-05 20:41                                       ` Tejun Heo
2014-10-30 14:14                         ` Matt Fleming
     [not found]                         ` <CAAAKZwvJOKsrj_yczDGaNLaNYo+_=HzsTLwDdcaTJqO2VMy8uA@mail.gmail.com>
2014-10-30 17:12                           ` Tejun Heo
2014-10-30 22:35                             ` Tim Hockin
2014-10-31 16:57                               ` Tejun Heo
2014-10-30 23:18                         ` Vikas Shivappa
2014-11-04 13:17                           ` Peter Zijlstra
2014-11-06 17:03                             ` Matt Fleming
2014-11-10 15:50                               ` Peter Zijlstra
2014-10-29 17:26     ` Vikas Shivappa
2014-10-29 18:16       ` Peter Zijlstra
2014-11-03 23:29 ` Vikas Shivappa

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