linux-kernel - Re: + sched-use-tasklet-to-call-balancing.patch added to -mm tree

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Message-ID: <Pine.LNX.4.64.0611070943160.3791@schroedinger.engr.sgi.com>
Date:	Tue, 7 Nov 2006 09:44:11 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Ingo Molnar <mingo@...e.hu>
cc:	akpm@...l.org, mm-commits@...r.kernel.org, nickpiggin@...oo.com.au,
	suresh.b.siddha@...el.com, linux-kernel@...r.kernel.org
Subject: Re: + sched-use-tasklet-to-call-balancing.patch added to -mm tree

On Tue, 7 Nov 2006, Ingo Molnar wrote:

> i'm not sure i get the point of this whole do-rebalance-in-tasklet idea. 
> A tasklet is global to the system. The rebalance tick was per-CPU. This 
> is not an equivalent change at all. What am i missing?

A tasklet runs per cpu. In many ways it is equivalent to an interrupt 
context just interrupts are enabled.


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