From: Paul Jackson <pj@sgi.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, Simon.Derr@bull.net, steiner@sgi.com
Subject: Re: [PATCH] cpuset export symbols gpl
Date: Tue, 15 Nov 2005 18:03:36 -0800 [thread overview]
Message-ID: <20051115180336.11139847.pj@sgi.com> (raw)
In-Reply-To: <20051115173935.5fc75e00.akpm@osdl.org>
Andrew wrote (of exporting cpuset symbols)
> We normally would do this when such modules are merged. Do tell us more..
It was an oversight not to do this when cpusets went in last year,
but we didn't notice, as the loadable module we cared about had a
hack in place from earlier development that avoided needing this.
In cleaning this up, we realized that the module needed to access
task->cpuset->cpus_allowed, and that the correct (and safe) way to
do this, via cpuset_cpus_allowed(), was not available to the module.
The other 4 exports I added on general principles, but don't have
any pressing need for. The one I need is cpuset_cpus_allowed().
The loadable module in question we call 'dplace', and is used to
provide fancier cpuset-relative task placement by manipulating
task->cpus_allowed at exec.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
next prev parent reply other threads:[~2005-11-16 2:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-16 1:22 Paul Jackson
2005-11-16 1:39 ` Andrew Morton
2005-11-16 2:03 ` Paul Jackson [this message]
2005-11-16 8:16 ` Christoph Hellwig
2005-11-16 14:33 ` Robin Holt
2005-11-17 1:04 ` Paul Jackson
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