Re: [PATCH v4 0/2] cgroups: implement moving a threadgroup's threadsatomically with cgroup.procs
From: Li Zefan
Date: Tue Aug 03 2010 - 21:55:59 EST
Andrew Morton wrote:
> On Fri, 30 Jul 2010 19:56:49 -0400
> Ben Blum <bblum@xxxxxxxxxxxxxx> 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?
Oleg had been commenting on this patchset, so it would be nice to know
if he's comfortable with the changes in this version.
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