On Tue, May 28, 2019 at 06:03:53PM -0400, Johannes Weiner wrote:
> On Tue, May 21, 2019 at 01:07:33PM -0700, Roman Gushchin wrote:
> > + arr = rcu_dereference(cachep->memcg_params.memcg_caches);
> > +
> > + /*
> > +* Make sure we will access the up-to-date value. The code updating
> > +
On Tue, May 21, 2019 at 01:07:33PM -0700, Roman Gushchin wrote:
> + arr = rcu_dereference(cachep->memcg_params.memcg_caches);
> +
> + /*
> + * Make sure we will access the up-to-date value. The code updating
> + * memcg_caches issues a write barrier to match this (see
> + *
On Tue, May 28, 2019 at 08:08:28PM +0300, Vladimir Davydov wrote:
> Hello Roman,
>
> On Tue, May 21, 2019 at 01:07:33PM -0700, Roman Gushchin wrote:
> > This commit makes several important changes in the lifecycle
> > of a non-root kmem_cache, which also affect the lifecycle
> > of a memory
On 5/28/19 1:39 PM, Vladimir Davydov wrote:
> On Tue, May 28, 2019 at 01:37:50PM -0400, Waiman Long wrote:
>> On 5/28/19 1:08 PM, Vladimir Davydov wrote:
static void flush_memcg_workqueue(struct kmem_cache *s)
{
+ /*
+ * memcg_params.dying is synchronized using slab_mutex
On Tue, May 28, 2019 at 01:37:50PM -0400, Waiman Long wrote:
> On 5/28/19 1:08 PM, Vladimir Davydov wrote:
> >> static void flush_memcg_workqueue(struct kmem_cache *s)
> >> {
> >> + /*
> >> + * memcg_params.dying is synchronized using slab_mutex AND
> >> + * memcg_kmem_wq_lock spinlock,
Hello Roman,
On Tue, May 21, 2019 at 01:07:33PM -0700, Roman Gushchin wrote:
> This commit makes several important changes in the lifecycle
> of a non-root kmem_cache, which also affect the lifecycle
> of a memory cgroup.
>
> Currently each charged slab page has a page->mem_cgroup pointer
> to
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