On 10/05/2012 07:31 PM, Johannes Weiner wrote:
> On Thu, Oct 04, 2012 at 02:53:13PM +0400, Glauber Costa wrote:
>> On 10/01/2012 05:27 PM, Michal Hocko wrote:
>>> On Tue 18-09-12 18:04:09, Glauber Costa wrote:
A lot of the initialization we do in mem_cgroup_create() is done with
On 10/05/2012 07:31 PM, Johannes Weiner wrote:
On Thu, Oct 04, 2012 at 02:53:13PM +0400, Glauber Costa wrote:
On 10/01/2012 05:27 PM, Michal Hocko wrote:
On Tue 18-09-12 18:04:09, Glauber Costa wrote:
A lot of the initialization we do in mem_cgroup_create() is done with
softirqs
enabled.
On Thu, Oct 04, 2012 at 02:53:13PM +0400, Glauber Costa wrote:
> On 10/01/2012 05:27 PM, Michal Hocko wrote:
> > On Tue 18-09-12 18:04:09, Glauber Costa wrote:
> >> A lot of the initialization we do in mem_cgroup_create() is done with
> >> softirqs
> >> enabled. This include grabbing a css id,
On Thu, Oct 04, 2012 at 02:53:13PM +0400, Glauber Costa wrote:
On 10/01/2012 05:27 PM, Michal Hocko wrote:
On Tue 18-09-12 18:04:09, Glauber Costa wrote:
A lot of the initialization we do in mem_cgroup_create() is done with
softirqs
enabled. This include grabbing a css id, which holds
On 10/04/2012 02:53 PM, Glauber Costa wrote:
> On 10/01/2012 05:27 PM, Michal Hocko wrote:
>> On Tue 18-09-12 18:04:09, Glauber Costa wrote:
>>> A lot of the initialization we do in mem_cgroup_create() is done with
>>> softirqs
>>> enabled. This include grabbing a css id, which holds
On 10/01/2012 05:27 PM, Michal Hocko wrote:
> On Tue 18-09-12 18:04:09, Glauber Costa wrote:
>> A lot of the initialization we do in mem_cgroup_create() is done with
>> softirqs
>> enabled. This include grabbing a css id, which holds >id_lock->rlock, and
>> the per-zone trees, which holds
On 10/01/2012 05:27 PM, Michal Hocko wrote:
On Tue 18-09-12 18:04:09, Glauber Costa wrote:
A lot of the initialization we do in mem_cgroup_create() is done with
softirqs
enabled. This include grabbing a css id, which holds ss-id_lock-rlock, and
the per-zone trees, which holds
On 10/04/2012 02:53 PM, Glauber Costa wrote:
On 10/01/2012 05:27 PM, Michal Hocko wrote:
On Tue 18-09-12 18:04:09, Glauber Costa wrote:
A lot of the initialization we do in mem_cgroup_create() is done with
softirqs
enabled. This include grabbing a css id, which holds ss-id_lock-rlock,
and
On Tue 18-09-12 18:04:09, Glauber Costa wrote:
> A lot of the initialization we do in mem_cgroup_create() is done with softirqs
> enabled. This include grabbing a css id, which holds >id_lock->rlock, and
> the per-zone trees, which holds rtpz->lock->rlock. All of those signal to the
> lockdep
On Tue 18-09-12 18:04:09, Glauber Costa wrote:
A lot of the initialization we do in mem_cgroup_create() is done with softirqs
enabled. This include grabbing a css id, which holds ss-id_lock-rlock, and
the per-zone trees, which holds rtpz-lock-rlock. All of those signal to the
lockdep mechanism
> And the above description too makes me scratch my head quite a bit. I
> can see what the patch is doing but can't understand the why.
>
> * Why was it punting the freeing to workqueue anyway? ISTR something
> about static_keys but my memory fails. What changed? Why don't we
> need it
And the above description too makes me scratch my head quite a bit. I
can see what the patch is doing but can't understand the why.
* Why was it punting the freeing to workqueue anyway? ISTR something
about static_keys but my memory fails. What changed? Why don't we
need it anymore?
Hello, Glauber.
On Tue, Sep 18, 2012 at 06:04:09PM +0400, Glauber Costa wrote:
> A lot of the initialization we do in mem_cgroup_create() is done with softirqs
> enabled. This include grabbing a css id, which holds >id_lock->rlock, and
> the per-zone trees, which holds rtpz->lock->rlock. All of
Hello, Glauber.
On Tue, Sep 18, 2012 at 06:04:09PM +0400, Glauber Costa wrote:
A lot of the initialization we do in mem_cgroup_create() is done with softirqs
enabled. This include grabbing a css id, which holds ss-id_lock-rlock, and
the per-zone trees, which holds rtpz-lock-rlock. All of those
A lot of the initialization we do in mem_cgroup_create() is done with softirqs
enabled. This include grabbing a css id, which holds >id_lock->rlock, and
the per-zone trees, which holds rtpz->lock->rlock. All of those signal to the
lockdep mechanism that those locks can be used in SOFTIRQ-ON-W
A lot of the initialization we do in mem_cgroup_create() is done with softirqs
enabled. This include grabbing a css id, which holds ss-id_lock-rlock, and
the per-zone trees, which holds rtpz-lock-rlock. All of those signal to the
lockdep mechanism that those locks can be used in SOFTIRQ-ON-W
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