Hello,
On Mon, Sep 24, 2012 at 01:09:23PM +0400, Glauber Costa wrote:
> > I can't say I'm a big fan of this approach. If there are enough
> > users, maybe but can't we just annotate the affected allocations
> > explicitly? Is this gonna have many more users?
>
> What exactly do you mean by
On 09/21/2012 11:59 PM, Tejun Heo wrote:
> Hello,
>
> On Tue, Sep 18, 2012 at 06:12:01PM +0400, Glauber Costa wrote:
>> +static void memcg_stop_kmem_account(void)
>> +{
>> +if (!current->mm)
>> +return;
>> +
>> +current->memcg_kmem_skip_account++;
>> +}
>> +
>> +static void
On 09/21/2012 11:59 PM, Tejun Heo wrote:
Hello,
On Tue, Sep 18, 2012 at 06:12:01PM +0400, Glauber Costa wrote:
+static void memcg_stop_kmem_account(void)
+{
+if (!current-mm)
+return;
+
+current-memcg_kmem_skip_account++;
+}
+
+static void
Hello,
On Mon, Sep 24, 2012 at 01:09:23PM +0400, Glauber Costa wrote:
I can't say I'm a big fan of this approach. If there are enough
users, maybe but can't we just annotate the affected allocations
explicitly? Is this gonna have many more users?
What exactly do you mean by annotating
Hello,
On Tue, Sep 18, 2012 at 06:12:01PM +0400, Glauber Costa wrote:
> +static void memcg_stop_kmem_account(void)
> +{
> + if (!current->mm)
> + return;
> +
> + current->memcg_kmem_skip_account++;
> +}
> +
> +static void memcg_resume_kmem_account(void)
> +{
> + if
Hello,
On Tue, Sep 18, 2012 at 06:12:01PM +0400, Glauber Costa wrote:
+static void memcg_stop_kmem_account(void)
+{
+ if (!current-mm)
+ return;
+
+ current-memcg_kmem_skip_account++;
+}
+
+static void memcg_resume_kmem_account(void)
+{
+ if (!current-mm)
+
This patch creates a mechanism that skip memcg allocations during
certain pieces of our core code. It basically works in the same way
as preempt_disable()/preempt_enable(): By marking a region under
which all allocations will be accounted to the root memcg.
We need this to prevent races in early
This patch creates a mechanism that skip memcg allocations during
certain pieces of our core code. It basically works in the same way
as preempt_disable()/preempt_enable(): By marking a region under
which all allocations will be accounted to the root memcg.
We need this to prevent races in early
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