Re: Question: Is memory resource controller (cgroup) available in Fedora11 ?

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On Mon, 26 Jan 2009 00:15:44 -0500
Kyle McMartin <kyle@xxxxxxxxxxxxx> wrote:

> On Mon, Jan 26, 2009 at 02:07:45PM +0900, KAMEZAWA Hiroyuki wrote:
> > Hi,
> > 
> 
> Hi!
> 
> > I thought there was a request to make memroy resource controller
> > (CONFIG_CGROUP_MEM_RES_CTLR) availele in Fedora10 age.
> > (But not configured.)
> > 
> > I'd like to request memory cgroup configured in Fedora 11. 
> > (I'm sorry if too late.)
> > 
> 
> This is what we currently have enabled in Fedora 11's generic config:
> 
> kyle@minerva ~/rpms/kernel/devel $ grep CGROUP config-generic 
> CONFIG_NET_CLS_CGROUP=y
> CONFIG_CGROUP_SCHED=y
> CONFIG_CGROUP_MEM_RES_CTLR=y
> CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y
> CONFIG_CGROUPS=y
> # CONFIG_CGROUP_DEBUG is not set
> CONFIG_CGROUP_NS=y
> CONFIG_CGROUP_CPUACCT=y
> CONFIG_CGROUP_DEVICE=y
> CONFIG_CGROUP_FREEZER=y
> CONFIG_CGROUP_MEM_CONT=y
> kyle@minerva ~/rpms/kernel/devel $ 
> 
Wow, thanks !

(I wonder CONFIG_CGROUP_MEM_CONT may be stale config name..)

> > Comapring current implementation(2.6.28) with the version half year ago,
> > 
> >   - There is no pointer from struct page.
> > 
> > IIRC, this pointer was a big obstacle for the merge request. 
> 
> Right, we were concerned it would impact performance because it pushed
> struct page passed the size of a single cacheline.
> 
> > BTW, what kernel version Fedora11 will be based on ?
> > I prefer 2.6.29-rc version of memory cgroup rather than 2.6.28 ;)
> > 
> 
> The current plan is for F11 to be based on 2.6.29, but it's possible
> (though extremely unlikely) that if .29 stabilizes very quickly that we
> might end up on .30, but I wouldn't bet on it. :)
> 

Thank you for quick response, very informative!

Regards,
-Kame

> > Thanks,
> > -Kame
> 
> cheers, Kyle
> 

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