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Open Source and information security mailing list archives
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Date: Wed, 3 Oct 2007 08:51:41 -0700 From: "Paul Menage" <menage@...gle.com> To: "Paul Jackson" <pj@....com> Cc: "Andrew Morton" <akpm@...ux-foundation.org>, "Nick Piggin" <nickpiggin@...oo.com.au>, "Peter Zijlstra" <a.p.zijlstra@...llo.nl>, "Serge E. Hallyn" <serue@...ibm.com>, "Cedric Le Goater" <clg@...ibm.com>, linux-kernel@...r.kernel.org, "Eric W. Biederman" <ebiederm@...ssion.com>, "David Rientjes" <rientjes@...gle.com>, "Vaidyanathan Srinivasan" <svaidy@...ux.vnet.ibm.com>, "Pavel Emelianov" <xemul@...nvz.org>, containers@...ts.osdl.org, balbir@...ux.vnet.ibm.com Subject: Re: [PATCH] task containersv11 add tasks file interface fix for cpusets On 10/3/07, Paul Jackson <pj@....com> wrote: > From: Paul Jackson <pj@....com> > > The code in kernel/cgroup.c attach_task() which skips the > attachment of a task to the group it is already in has to be > removed. Cpusets depends on reattaching a task to its current > cpuset, in order to trigger updating the cpus_allowed mask in the > task struct. Can you explain a bit more about why this is needed? (i.e. specific scenarios where cpusets will break without this change). What triggers the reattach in normal use? Something from userspace? Paul - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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