On 5/2/14, Tejun Heo wrote:
> Hello,
>
> On Wed, Apr 30, 2014 at 04:27:51PM +0530, Raghavendra KT wrote:
[...]
>> Because all the way along, though we have freedom to make the cpusets
>> exclusive and move tasks (say VMs) into them,
>> making sure they do not interfere with each other, we can not
Hello,
On Wed, Apr 30, 2014 at 04:27:51PM +0530, Raghavendra KT wrote:
> For some controllers like cpuset, when we have exclusive_cpu is set,
> what about having a knob in the cpuset controller
> to move the task to non-root (when option is set).
I'm doubtful.
> Because all the way along, though
On Mon, Apr 14, 2014 at 11:22 PM, Tejun Heo wrote:
>> How does this work for root's tasks now? Given that task can only be
>> in leaf cgroups, that means tasks can't be in / cgroup (If one wants
>> to create some cgroups). Does that mean / will be empty and init system
>> need to setup things righ
Hello,
On Tue, Apr 15, 2014 at 10:58:24AM +0800, Li Zefan wrote:
> I know we should allow multiple hierarchies, but why we allow this even
> if sane_behavior is specified?
Oh, because we didn't have unified hierarchy before. The whole
sane_behavior thing is gonna go away. It'll be absorbed into
on 2014/4/15 3:21, Tejun Heo wrote:
> Hello,
>
> On Mon, Apr 14, 2014 at 02:14:21PM -0400, Vivek Goyal wrote:
>> So is this an intermediate mode before we move to single hiearchy *only*
>> mode. AFAIK, you had mentioned that we will support legacy multiple
>> hiearchy mode but single hiearchy is t
On Thu, Mar 27, 2014 at 10:40:49PM -0400, Tejun Heo wrote:
> The patchset is on top of cgroup/for-3.15 01a971406177 ("cgroup: Use
> RCU_INIT_POINTER(x, NULL) in cgroup.c") and also available in the
> following git branch.
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-unif
Hello,
On Mon, Apr 14, 2014 at 02:14:21PM -0400, Vivek Goyal wrote:
> So is this an intermediate mode before we move to single hiearchy *only*
> mode. AFAIK, you had mentioned that we will support legacy multiple
> hiearchy mode but single hiearchy is the new default mode.
Hmmm? It's a separate
On Mon, Apr 14, 2014 at 01:52:36PM -0400, Tejun Heo wrote:
> Hello,
>
> On Mon, Apr 14, 2014 at 11:45:56AM -0400, Vivek Goyal wrote:
> > So this patchset does not *enforce* a single hierarchy? So user space
> > can still mount other hierarchies.
>
> Nope, nothing is forced. Controllers may be mo
Hello,
On Mon, Apr 14, 2014 at 11:45:56AM -0400, Vivek Goyal wrote:
> So this patchset does not *enforce* a single hierarchy? So user space
> can still mount other hierarchies.
Nope, nothing is forced. Controllers may be moved between unified and
traditional multiple hierarchies.
> How does thi
On Thu, Mar 27, 2014 at 10:40:49PM -0400, Tejun Heo wrote:
[..]
> This patchset finally implements the default unified hierarchy. The
> goal is providing enough flexibility while enforcing stricter common
> structure where appropriate to address the above listed issues.
>
> Controllers which are
Hello,
(this is too late for the upcoming merge window and is targeting the
next devel cycle)
cgroup currently allows creating arbitrary number of hierarchies and
any number of controllers may be associated with a given tree. This
allows for huge amount of variance how tasks are associated with
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