From: Thomas Fjellstrom <thomas@fjellstrom.ca>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Andi Kleen <andi@firstfloor.org>,
"linux-kernel" <linux-kernel@vger.kernel.org>,
netdev <netdev@vger.kernel.org>,
David Miller <davem@davemloft.net>, Tejun Heo <tj@kernel.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Tony Luck <tony.luck@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>
Subject: Re: [PATCH v2 3/4] kthread: NUMA aware kthread_create_on_cpu()
Date: Sun, 12 Dec 2010 23:26:05 -0700 [thread overview]
Message-ID: <201012122326.05966.thomas@fjellstrom.ca> (raw)
In-Reply-To: <20101209230937.073fab54.akpm@linux-foundation.org>
On December 10, 2010, Andrew Morton wrote:
> On Fri, 10 Dec 2010 08:02:41 +0100 Eric Dumazet <eric.dumazet@gmail.com>
wrote:
> > Le jeudi 09 d__cembre 2010 __ 22:32 -0800, Andrew Morton a __crit :
> > > but but but. The name "kthread_create_on_cpu" sucks. It's plain
> > > wrong.
> >
> > Okay you are right Andrew ;) I dont have better idea for the moment.
>
> Dunno. kthread_create_with_memory_on_node() :)
>
> How's about kthread_create_for_node()? That's sufficiently vague to
> not mislead readers into thinking that it schedules the thread on that
> CPU and leaves room in the namespace for a real kthread_create_on_cpu()
> (which we could well end up creating).
>
> kthread_create_node_mem()?
Just a kernel newb here, how about kthread_create_from_cpu ? unless that has
some connotations I'm not aware of.
> > Note that all callers I converted really create one kthread per cpu, not
> > per node. They didnt care of node affinity, only me :)
> >
> > kthread_create_on_node() seems misleading to me (some cpus run on
> > memoryless nodes)
>
> True, but what we're doing here is specifying on which node the
> kthread's memory resources should reside - we need to do that even for
> CPUs which live on memoryless nodes.
>
> --
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--
Thomas Fjellstrom
thomas@fjellstrom.ca
next prev parent reply other threads:[~2010-12-13 6:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-28 19:33 [PATCH] kthread: NUMA aware kthread_create_on_cpu() Eric Dumazet
2010-11-28 22:40 ` Andi Kleen
2010-11-28 22:51 ` Eric Dumazet
2010-11-28 23:01 ` Andi Kleen
2010-11-28 23:37 ` Eric Dumazet
2010-11-29 9:05 ` Andi Kleen
2010-11-29 9:38 ` Eric Dumazet
2010-11-29 15:13 ` [PATCH v2 0/4] " Eric Dumazet
2010-11-29 16:09 ` Andi Kleen
2010-11-29 17:39 ` David Miller
2010-11-29 17:59 ` Eric Dumazet
2010-11-29 23:31 ` Rusty Russell
2010-11-29 15:13 ` [PATCH v2 1/4] mm: NUMA aware alloc_task_struct_node() Eric Dumazet
2010-11-29 15:14 ` [PATCH v2 2/4] mm: NUMA aware alloc_thread_info_node() Eric Dumazet
2010-11-29 15:14 ` [PATCH v2 3/4] kthread: NUMA aware kthread_create_on_cpu() Eric Dumazet
2010-12-10 0:44 ` Andrew Morton
2010-12-10 5:59 ` Eric Dumazet
2010-12-10 6:32 ` Andrew Morton
2010-12-10 7:02 ` Eric Dumazet
2010-12-10 7:09 ` Andrew Morton
2010-12-13 6:26 ` Thomas Fjellstrom [this message]
2010-11-29 15:15 ` [PATCH v2 4/4] kthread: use kthread_create_on_cpu() Eric Dumazet
2010-11-29 15:19 ` Tejun Heo
2010-11-30 9:38 ` David Howells
2010-11-30 9:59 ` Eric Dumazet
2010-11-29 9:03 ` [PATCH] kthread: NUMA aware kthread_create_on_cpu() Américo Wang
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