linux-kernel - Re: [PATCH 2/2] sched: Improve fairness of cpu allocation for task groups

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Date:	Mon, 19 Nov 2007 16:22:58 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
Cc:	dmitry.adamushko@...il.com, a.p.zijlstra@...llo.nl,
	dhaval@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	efault@....de, skumar@...ux.vnet.ibm.com,
	Balbir Singh <balbir@...ibm.com>
Subject: Re: [PATCH 2/2] sched: Improve fairness of cpu allocation for task
	groups


* Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com> wrote:

> - inc/dec_load() takes a load input instead of task pointer input as their
>   2nd arg
> - inc/dec_nr_running don't call inc/dec_load. Instead,
> - enqueue/dequeue_task class callbacks call inc/dec_load
> - [Unintended/will-fix change] min/max tunables added in
>   /proc/sys/kernel
> 
> All of above changes (except last, which I will fix) should have zero 
> functional+runtime effect for !CONFIG_FAIR_GROUP_SCHED case. So I 
> don't see how I can split Patch 2/2 further.

ok, as long as it's NOP for the CONFIG_FAIR_GROUP_SCHED, we could try 
it.

	Ingo
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