On Tue, 25 Sep 2012, Glauber Costa wrote:
> >> 1) Do like the events mechanism and allocate this in a separate
> >> structure. Add a pointer chase in the access, and I don't think it helps
> >> much because it gets allocated anyway. But we could at least
> >> defer it to the time when we limit the
On 09/24/2012 09:56 PM, Tejun Heo wrote:
> Hello, Glauber.
>
> On Mon, Sep 24, 2012 at 12:46:35PM +0400, Glauber Costa wrote:
+#ifdef CONFIG_MEMCG_KMEM
+ /* Slab accounting */
+ struct kmem_cache *slabs[MAX_KMEM_CACHE_TYPES];
+#endif
>>>
>>> Bah, 400 entry array in struct mem
On Mon, Sep 24, 2012 at 12:17:37PM +0400, Glauber Costa wrote:
> On 09/22/2012 12:52 AM, Tejun Heo wrote:
> > Missed some stuff.
> >
> > On Tue, Sep 18, 2012 at 06:12:00PM +0400, Glauber Costa wrote:
> >> +static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup
> >> *memcg,
> >> +
Hello, Glauber.
On Mon, Sep 24, 2012 at 12:46:35PM +0400, Glauber Costa wrote:
> >> +#ifdef CONFIG_MEMCG_KMEM
> >> + /* Slab accounting */
> >> + struct kmem_cache *slabs[MAX_KMEM_CACHE_TYPES];
> >> +#endif
> >
> > Bah, 400 entry array in struct mem_cgroup. Can't we do something a
> > bit more
On 09/21/2012 10:32 PM, Tejun Heo wrote:
> On Tue, Sep 18, 2012 at 06:12:00PM +0400, Glauber Costa wrote:
>> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
>> index 04851bb..1cce5c3 100644
>> --- a/mm/memcontrol.c
>> +++ b/mm/memcontrol.c
>> @@ -339,6 +339,11 @@ struct mem_cgroup {
>> #ifdef CONFI
On 09/22/2012 12:52 AM, Tejun Heo wrote:
> Missed some stuff.
>
> On Tue, Sep 18, 2012 at 06:12:00PM +0400, Glauber Costa wrote:
>> +static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *memcg,
>> + struct kmem_cache *cachep)
>> +{
> ...
Missed some stuff.
On Tue, Sep 18, 2012 at 06:12:00PM +0400, Glauber Costa wrote:
> +static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *memcg,
> + struct kmem_cache *cachep)
> +{
...
> + memcg->slabs[idx] = new_cachep;
...
> +stru
On Tue, Sep 18, 2012 at 06:12:00PM +0400, Glauber Costa wrote:
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 04851bb..1cce5c3 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -339,6 +339,11 @@ struct mem_cgroup {
> #ifdef CONFIG_INET
> struct tcp_memcontrol tcp_mem;
>
The page allocator is able to bind a page to a memcg when it is
allocated. But for the caches, we'd like to have as many objects as
possible in a page belonging to the same cache.
This is done in this patch by calling memcg_kmem_get_cache in the
beginning of every allocation function. This routing
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