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

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Message-ID: <20061107095049.B3262@unix-os.sc.intel.com>
Date:	Tue, 7 Nov 2006 09:50:49 -0800
From:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
To:	Christoph Lameter <clameter@....com>
Cc:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	Ingo Molnar <mingo@...e.hu>, akpm@...l.org,
	mm-commits@...r.kernel.org, nickpiggin@...oo.com.au,
	linux-kernel@...r.kernel.org
Subject: Re: + sched-use-tasklet-to-call-balancing.patch added to -mm tree

On Tue, Nov 07, 2006 at 09:55:54AM -0800, Christoph Lameter wrote:
> On Tue, 7 Nov 2006, Siddha, Suresh B wrote:
> 
> > Christoph, DECLARE_TASKLET that you had atleast needs to be per cpu.. 
> > Not sure if there are any other concerns.
> 
> Nope. Tasklets scheduled and executed per cpu. These are the former bottom 
> halves. See tasklet_schedule in kernel/softirq.c

You must be referring to __tasklet_schedule() ?

tasklet_schedule doesn't schedule if there is already one scheduled.

no?

thanks,
suresh
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