From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>,
akpm@osdl.org, mm-commits@vger.kernel.org,
nickpiggin@yahoo.com.au, suresh.b.siddha@intel.com,
linux-kernel@vger.kernel.org
Subject: Re: + sched-use-tasklet-to-call-balancing.patch added to -mm tree
Date: Tue, 7 Nov 2006 09:31:12 -0800 [thread overview]
Message-ID: <20061107093112.A3262@unix-os.sc.intel.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0611070943160.3791@schroedinger.engr.sgi.com>; from clameter@sgi.com on Tue, Nov 07, 2006 at 09:44:11AM -0800
On Tue, Nov 07, 2006 at 09:44:11AM -0800, Christoph Lameter wrote:
> 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.
Christoph, DECLARE_TASKLET that you had atleast needs to be per cpu..
Not sure if there are any other concerns.
thanks,
suresh
next prev parent reply other threads:[~2006-11-07 17:53 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200611032205.kA3M5wmJ003178@shell0.pdx.osdl.net>
2006-11-07 7:32 ` + sched-use-tasklet-to-call-balancing.patch added to -mm tree Ingo Molnar
2006-11-07 17:44 ` Christoph Lameter
2006-11-07 17:31 ` Siddha, Suresh B [this message]
2006-11-07 17:55 ` Christoph Lameter
2006-11-07 17:50 ` Siddha, Suresh B
2006-11-07 18:18 ` Christoph Lameter
2006-11-07 19:17 ` Christoph Lameter
2006-11-07 20:31 ` Ingo Molnar
2006-11-07 20:59 ` Christoph Lameter
2006-11-07 21:35 ` Chen, Kenneth W
2006-11-07 21:49 ` Christoph Lameter
2006-11-10 6:18 ` Chen, Kenneth W
2006-11-10 18:50 ` Christoph Lameter
2006-11-10 21:38 ` Ingo Molnar
2006-11-11 1:01 ` Christoph Lameter
2006-11-11 2:05 ` Chen, Kenneth W
2006-11-11 2:51 ` Christoph Lameter
2006-11-13 4:03 ` Chen, Kenneth W
2006-11-13 5:44 ` Christoph Lameter
2006-11-13 6:40 ` Chen, Kenneth W
2006-11-14 1:06 ` [patch] sched domain: move sched group allocations to percpu area Siddha, Suresh B
2006-11-14 8:23 ` Ingo Molnar
2006-11-14 16:57 ` Christoph Lameter
2006-11-10 21:42 ` + sched-use-tasklet-to-call-balancing.patch added to -mm tree Ingo Molnar
2006-11-10 22:32 ` Siddha, Suresh B
2006-11-11 1:14 ` Christoph Lameter
2006-11-07 19:22 ` Christoph Lameter
2006-11-07 20:29 ` Ingo Molnar
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