linux-kernel - Re: [PATCH] kthread: NUMA aware kthread_create_on

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Message-ID: <1291023532.3435.29.camel@edumazet-laptop>
Date:	Mon, 29 Nov 2010 10:38:52 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>, Tejun Heo <tj@...nel.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH] kthread: NUMA aware kthread_create_on_cpu()

Le lundi 29 novembre 2010 à 10:05 +0100, Andi Kleen a écrit :
> On Mon, Nov 29, 2010 at 12:37:04AM +0100, Eric Dumazet wrote:

> > Hmm, I meant stack (the thing that might be trashed a lot in ksoftirqd),
> > so it is included in struct thread_info
> 
> task_struct is quite hot too. Also your original mail said
> task struct i believe.
> 
> > And got correct stacks. Are you sure we must use PREFERRED ?
> 
> Yes.

I'll respin a patch not using mempolicy but direct node, for both
thread_info and task_struct allocations.





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