Re: [PATCH] memcg: towards I/O aware memcg v5

[Balbir Singh]

* KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> [2010-08-20 18:55:52]:

> This is v5.
> 
> Sorry for delaying...but I had time for resetting myself and..several
> changes are added. I think this version is simpler than v4.
> 
> Major changes from v4 is 
>  a) added kernel/cgroup.c hooks again. (for b)
>  b) make RCU aware. previous version seems dangerous in an extreme case.
> 
> Then, codes are updated. Most of changes are related to RCU.
> 
> Patch brief view:
>  1. add hooks to kernel/cgroup.c for ID management.
>  2. use ID-array in memcg.
>  3. record ID to page_cgroup rather than pointer.
>  4. make update_file_mapped to be RCU aware routine instead of spinlock.
>  5. make update_file_mapped as general-purpose function.
>

Thanks for being persistent, will review the patches with comments in
the relevant patches. 

-- 
	Three Cheers,
	Balbir
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