Re: [RFC][mm] [PATCH 2/4] Memory cgroup resource counters for hierarchy(v2)

[Balbir Singh]

KAMEZAWA Hiroyuki wrote:
> On Sat, 08 Nov 2008 14:40:47 +0530
> Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> wrote:
> 
>> Add support for building hierarchies in resource counters. Cgroups allows us
>> to build a deep hierarchy, but we currently don't link the resource counters
>> belonging to the memory controller control groups, in the same fashion
>> as the corresponding cgroup entries in the cgroup hierarchy. This patch
>> provides the infrastructure for resource counters that have the same hiearchy
>> as their cgroup counter parts.
>>
>> These set of patches are based on the resource counter hiearchy patches posted
>> by Pavel Emelianov.
>>
>> NOTE: Building hiearchies is expensive, deeper hierarchies imply charging
>> the all the way up to the root. It is known that hiearchies are expensive,
>> so the user needs to be careful and aware of the trade-offs before creating
>> very deep ones.
>>
> Do you have numbers ?
> 

I am getting those numbers, I'll post them soon.

-- 
	Balbir
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