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

[KAMEZAWA Hiroyuki]

On Tue, 24 Aug 2010 13:16:17 +0530
Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> wrote:

> * 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. 
> 

Thank you. I may be able to post v6, tomorrow.

-Kame

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