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Date: Wed, 15 Jul 2009 10:55:25 +0530 From: Balbir Singh <balbir@...ux.vnet.ibm.com> To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org, lizf@...fujitsu.com, linux-kernel@...r.kernel.org, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> Subject: Re: [RFC][PATCH 0/5] Memory controller soft limit patches (v9) * KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> [2009-07-15 13:33:24]: > On Wed, 15 Jul 2009 09:38:11 +0530 > Balbir Singh <balbir@...ux.vnet.ibm.com> wrote: > > > * Balbir Singh <balbir@...ux.vnet.ibm.com> [2009-07-10 18:29:50]: > > > > > > > > From: Balbir Singh <balbir@...ux.vnet.ibm.com> > > > > > > New Feature: Soft limits for memory resource controller. > > > > > > Here is v9 of the new soft limit implementation. Soft limits is a new feature > > > for the memory resource controller, something similar has existed in the > > > group scheduler in the form of shares. The CPU controllers interpretation > > > of shares is very different though. > > > > > > > If there are no objections to these patches, could we pick them up for > > testing in mmotm. > > > > If any, will be fixed up in mmotm. About behavior, I don't have more things > than I've said. (dealying kswapd is not very good.) > > But plz discuss with Vladislav Buzov about implementation details of [2..3/5]. > == > [PATCH 1/2] Resource usage threshold notification addition to res_counter (v3) > > It seems there are multiple functionalities you can shere with them. > > - hierarchical threshold check > - callback or notify agaisnt threshold. > etc.. > > I'm very happy if all messy things around res_counter+hierarchy are sorted out > before diving into melting pot. I hope both of you have nice interfaces and > keep res_counter neat. > I do see scope for reuse, but I've not yet gotten to reviewing v3 of the patches. I will, I could potentially get him to base his patches on top of this. One of the interesting things that Paul pointed out was of global state. -- Balbir -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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