Re: [PATCH v6 6/9] memcg: add cgroupfs interface to memcg dirty limits

[Mike Heffner]

On 03/11/2011 01:43 PM, Greg Thelen wrote:
> Add cgroupfs interface to memcg dirty page limits:
>    Direct write-out is controlled with:
>    - memory.dirty_ratio
>    - memory.dirty_limit_in_bytes
>
>    Background write-out is controlled with:
>    - memory.dirty_background_ratio
>    - memory.dirty_background_limit_bytes


What's the overlap, if any, with the current memory limits controlled by 
`memory.limit_in_bytes` and the above `memory.dirty_limit_in_bytes`? If 
I want to fairly balance memory between two cgroups be one a dirty page 
antagonist (dd) and the other an anonymous page (memcache), do I just 
set `memory.limit_in_bytes`? Does this patch simply provide a more 
granular level of control of the dirty limits?


Thanks,

Mike
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