On 12/12/2013 05:39 PM, Vladimir Davydov wrote:
> On 12/12/2013 05:21 PM, Michal Hocko wrote:
>> On Wed 11-12-13 10:22:06, Vladimir Davydov wrote:
>>> On 12/11/2013 03:13 AM, Glauber Costa wrote:
On Tue, Dec 10, 2013 at 5:59 PM, Vladimir Davydov
>> [...]
> -- memcg_update_cache_size(s, num
On Tue, Dec 10, 2013 at 5:59 PM, Vladimir Davydov
wrote:
> Hi,
>
> Looking through the per-memcg kmem_cache initialization code, I have a
> bad feeling that it is prone to a race. Before getting to fixing it, I'd
> like to ensure this race is not only in my imagination. Here it goes.
>
> We keep p
On 12/12/2013 05:21 PM, Michal Hocko wrote:
> On Wed 11-12-13 10:22:06, Vladimir Davydov wrote:
>> On 12/11/2013 03:13 AM, Glauber Costa wrote:
>>> On Tue, Dec 10, 2013 at 5:59 PM, Vladimir Davydov
> [...]
-- memcg_update_cache_size(s, num_groups) --
grows s->memcg_params to accomodate da
On Wed 11-12-13 10:22:06, Vladimir Davydov wrote:
> On 12/11/2013 03:13 AM, Glauber Costa wrote:
> > On Tue, Dec 10, 2013 at 5:59 PM, Vladimir Davydov
[...]
> >> -- memcg_update_cache_size(s, num_groups) --
> >> grows s->memcg_params to accomodate data for num_groups memcg's
> >> @s is the root cac
On 12/11/2013 03:13 AM, Glauber Costa wrote:
> On Tue, Dec 10, 2013 at 5:59 PM, Vladimir Davydov
> wrote:
>> Hi,
>>
>> Looking through the per-memcg kmem_cache initialization code, I have a
>> bad feeling that it is prone to a race. Before getting to fixing it, I'd
>> like to ensure this race is n
Hi,
Looking through the per-memcg kmem_cache initialization code, I have a
bad feeling that it is prone to a race. Before getting to fixing it, I'd
like to ensure this race is not only in my imagination. Here it goes.
We keep per-memcg kmem caches in the memcg_params field of each root
cache. The
