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SubjectRe: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems_allowed after CPU/NODE offline/online
David wrote:
> No, because sched_setaffinity() can still move the threads.

Good point.

How about also adding this check (NULL mm and struct subset cpus)
to sched_setaffinity?

Granted, this pair of checks, in cpusets and sched_setaffinity,
is getting to be a little more work than the PF_* flag.

I guess one question would be how hard we want to work to avoid
consuming another PF_* flag. I thought they were scarce, but I
might be wrong.

--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.940.382.4214


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