Messages in this thread | | | Date | Tue, 3 Aug 2010 12:58:27 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH v4 0/2] cgroups: implement moving a threadgroup's threads atomically with cgroup.procs |
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On Fri, 30 Jul 2010 19:56:49 -0400 Ben Blum <bblum@andrew.cmu.edu> wrote:
> This patch series implements a write function for the 'cgroup.procs' > per-cgroup file, which enables atomic movement of multithreaded > applications between cgroups. Writing the thread-ID of any thread in a > threadgroup to a cgroup's procs file causes all threads in the group to > be moved to that cgroup safely with respect to threads forking/exiting. > (Possible usage scenario: If running a multithreaded build system that > sucks up system resources, this lets you restrict it all at once into a > new cgroup to keep it under control.)
I can see how that would be useful. No comments from anyone else?
patch 1/2 makes me cry with all those ifdefs. Maybe helper functions would help, but not a lot.
patch 2/2 looks very complicated.
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