Re: [PATCHSET cgroup/for-4.4] cgroup: make zombies retain cgroup membership and fix pids controller

2015-10-19 Thread Zefan Li
Hi Tejun, On 2015/10/16 4:41, Tejun Heo wrote: On Wed, Oct 14, 2015 at 09:38:09PM -0400, Tejun Heo wrote: Hello, On Fri, Oct 09, 2015 at 11:29:27PM -0400, Tejun Heo wrote: The patchset is pretty lightly tested and I need to verify that the corner cases behave as expected. Fixed several

Re: [PATCHSET cgroup/for-4.4] cgroup: make zombies retain cgroup membership and fix pids controller

2015-10-19 Thread Zefan Li
Hi Tejun, On 2015/10/16 4:41, Tejun Heo wrote: On Wed, Oct 14, 2015 at 09:38:09PM -0400, Tejun Heo wrote: Hello, On Fri, Oct 09, 2015 at 11:29:27PM -0400, Tejun Heo wrote: The patchset is pretty lightly tested and I need to verify that the corner cases behave as expected. Fixed several

Re: [PATCHSET cgroup/for-4.4] cgroup: make zombies retain cgroup membership and fix pids controller

2015-10-15 Thread Tejun Heo
On Wed, Oct 14, 2015 at 09:38:09PM -0400, Tejun Heo wrote: > Hello, > > On Fri, Oct 09, 2015 at 11:29:27PM -0400, Tejun Heo wrote: > > The patchset is pretty lightly tested and I need to verify that the > > corner cases behave as expected. > > Fixed several bugs while testing. Updated patches

Re: [PATCHSET cgroup/for-4.4] cgroup: make zombies retain cgroup membership and fix pids controller

2015-10-15 Thread Tejun Heo
On Wed, Oct 14, 2015 at 09:38:09PM -0400, Tejun Heo wrote: > Hello, > > On Fri, Oct 09, 2015 at 11:29:27PM -0400, Tejun Heo wrote: > > The patchset is pretty lightly tested and I need to verify that the > > corner cases behave as expected. > > Fixed several bugs while testing. Updated patches

Re: [PATCHSET cgroup/for-4.4] cgroup: make zombies retain cgroup membership and fix pids controller

2015-10-14 Thread Tejun Heo
Hello, On Fri, Oct 09, 2015 at 11:29:27PM -0400, Tejun Heo wrote: > The patchset is pretty lightly tested and I need to verify that the > corner cases behave as expected. Fixed several bugs while testing. Updated patches posted. Seems to work fine now. git branch has been refreshed with the

Re: [PATCHSET cgroup/for-4.4] cgroup: make zombies retain cgroup membership and fix pids controller

2015-10-14 Thread Tejun Heo
Hello, On Fri, Oct 09, 2015 at 11:29:27PM -0400, Tejun Heo wrote: > The patchset is pretty lightly tested and I need to verify that the > corner cases behave as expected. Fixed several bugs while testing. Updated patches posted. Seems to work fine now. git branch has been refreshed with the

[PATCHSET cgroup/for-4.4] cgroup: make zombies retain cgroup membership and fix pids controller

2015-10-09 Thread Tejun Heo
Hello, cgroup currently disassociates a task from its cgroups on exit and reassigns it to the root cgroup. This behavior turns out to be problematic for several reasons. * Resources can't be tracked for zombies. This breaks pids controller as zombies escape resource restriction. A cgroup

[PATCHSET cgroup/for-4.4] cgroup: make zombies retain cgroup membership and fix pids controller

2015-10-09 Thread Tejun Heo
Hello, cgroup currently disassociates a task from its cgroups on exit and reassigns it to the root cgroup. This behavior turns out to be problematic for several reasons. * Resources can't be tracked for zombies. This breaks pids controller as zombies escape resource restriction. A cgroup