netdev - Re: [PATCH] sunrpc: use better NUMA affinities

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Date:	Fri, 29 Jul 2011 21:58:25 +1000
From:	Greg Banks <gnb@...tmail.fm>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Eric Dumazet <eric.dumazet@...il.com>, NeilBrown <neilb@...e.de>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] sunrpc: use better NUMA affinities



Sent from my iPhone

On 29/07/2011, at 20:36, Christoph Hellwig <hch@...radead.org> wrote:

> On Fri, Jul 29, 2011 at 04:53:21PM +1000, Greg Banks wrote:
>>> Check commit 94dcf29a11b3d20a (kthread: use kthread_create_on_node 
>>> ()) to
>>> see how this strategy already was adopted for ksoftirqd, kworker,
>>> migration, and pktgend kthreads.
>>
>> Ah, I see.  It's unfortunate that the kthread_create() API ends up
>> being passed a CPU number but that's only used to format the name
>> and not for sensible things :(
>
> kthread_create doesn't have a cpu argument - it has a printf-like  
> format
> string.
>

Sure, and a whole lot of the callsites are ("..._%d", cpu), hence the  
unfortune :(

Greg.
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