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Date:	Tue, 09 Feb 2010 08:20:36 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Stephen Hemminger <shemminger@...tta.com>,
	David Miller <davem@...emloft.net>, pstaszewski@...are.pl,
	netdev@...r.kernel.org
Subject: Re: [PATCH] dst: call cond_resched() in dst_gc_task()

Le lundi 08 février 2010 à 22:35 -0800, Andrew Morton a écrit :
> On Tue, 09 Feb 2010 07:06:38 +0100 Eric Dumazet <eric.dumazet@...il.com> wrote:
> 
> > After this patch, I believe that scheduler is allowed to migrate
> > dst_gc_task() to an idle cpu.
> 
> No, keventd threads are each pinned to a single CPU (kthread_bind() in
> start_workqueue_thread()), so dst_gc_task() gets run on the CPU which
> ran schedule_delayed_work() and no other.
> 

Ah OK, thanks Andrew for this clarification.

I suppose offlining a cpu migrates its works to another (online) cpu ?



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