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Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems_allowed after CPU/NODE offline/online
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From:
Paul Menage <menage@...>
To: <miaox@...>
Cc: Andrew Morton <akpm@...>, Linux-Kernel <linux-kernel@...>, Paul Jackson <pj@...>, David Rientjes <rientjes@...>
Subject:
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems_allowed after CPU/NODE offline/online
Date: Wednesday, June 4, 2008 - 5:58 am
On Wed, Jun 4, 2008 at 2:30 AM, Paul Menage <menage@google.com> wrote:
quoted text
> On Tue, Jun 3, 2008 at 7:05 PM, Miao Xie <miaox@cn.fujitsu.com> wrote: >> >> Maybe we need to add a flag in the task_struct to mark which task can't be >> unbound? > > Yes, something like a PF_CPU_BOUND flag that gets set in > kthread_bind() and checked for in set_cpus_allowed() would be the > right way to handle that. We have an internal change like that against > an older kernel verison - I'll see if I can find someone to forward > port it and send it in.
And in fact they already did, and sent it to lkml a few months ago:
http://marc.info/?l=linux-kernel&m=120419372032623
Paul --
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Messages in current thread:
[PATCH 2/2] cpusets: update tasks' cpus_allowed and mems_all...
, Miao Xie
, (Tue Jun 3, 10:05 pm)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, Paul Menage
, (Wed Jun 4, 5:30 am)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, Paul Menage
, (Wed Jun 4, 5:58 am)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, Paul Jackson
, (Wed Jun 4, 1:22 pm)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, David Rientjes
, (Wed Jun 4, 3:01 pm)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, Paul Jackson
, (Wed Jun 4, 3:25 pm)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, David Rientjes
, (Wed Jun 4, 3:33 pm)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, Paul Jackson
, (Wed Jun 4, 3:42 pm)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, David Rientjes
, (Wed Jun 4, 4:02 pm)
Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems...
, Paul Jackson
, (Wed Jun 4, 4:21 pm)
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