linux-kernel - Re: [RFC][PATCH 1/6] Introduce struct sched

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Message-ID: <20070611185658.GA19095@elte.hu>
Date:	Mon, 11 Jun 2007 20:56:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Nick Piggin <nickpiggin@...oo.com.au>, efault@....de,
	kernel@...ivas.org, containers@...ts.osdl.org,
	ckrm-tech@...ts.sourceforge.net, akpm@...ux-foundation.org,
	pwil3058@...pond.net.au, tingy@...umass.edu, tong.n.li@...el.com,
	wli@...omorphy.com, linux-kernel@...r.kernel.org,
	dmitry.adamushko@...il.com, balbir@...ibm.com
Subject: Re: [RFC][PATCH 1/6] Introduce struct sched_entity and struct lrq


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> 
> 
> On Mon, 11 Jun 2007, Srivatsa Vaddagiri wrote:
> > 
> > struct sched_entity
> >         stores essential attributes/execution-history used by CFS core
> >         to drive fairness between 'schedulable entities' (tasks, users etc)
> 
> Wouldn't this be sensible to integrate into CFS _regardless_ of 
> anything else?

yeah, that's what i asked Srivatsa to do, and his currently patchset 
largely achieves that. I'm looking now into applying the core bits and 
checking that it's in essence a NOP when this isnt used. (that makes the 
later merging of group fairness and container scheduling a lot less 
contentious)

	Ingo
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