linux-kernel - Re: [PATCH repost] sched: export sched

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Message-ID: <20100715000506.GB27258@redhat.com>
Date:	Thu, 15 Jul 2010 02:05:07 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Sridhar Samudrala <sri@...ibm.com>
Cc:	"Michael S. Tsirkin" <mst@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Tejun Heo <tj@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	netdev <netdev@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitri Vorobiev <dmitri.vorobiev@...ial.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH repost] sched: export sched_set/getaffinity to modules

On 07/14, Sridhar Samudrala wrote:
>
> OK. So we want to create a thread that is a child of kthreadd, but inherits the cgroup/cpumask
> from the caller. How about an exported kthread function kthread_create_in_current_cg()
> that does this?

Well. I must admit, this looks a bit strange to me ;)

Instead of exporting sched_xxxaffinity() we export the new function
which calls them. And I don't think this new helper is very useful
in general. May be I am wrong...

Oleg.

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