On Thu, Apr 18, 2019 at 01:38:44PM +, Christopher Lameter wrote:
> On Wed, 17 Apr 2019, Roman Gushchin wrote:
>
> > static __always_inline int memcg_charge_slab(struct page *page,
> > gfp_t gfp, int order,
> > s
On Thu, Apr 18, 2019 at 07:05:24AM -0700, Shakeel Butt wrote:
> On Wed, Apr 17, 2019 at 8:07 PM Roman Gushchin wrote:
> >
> > On Wed, Apr 17, 2019 at 06:55:12PM -0700, Shakeel Butt wrote:
> > > On Wed, Apr 17, 2019 at 5:39 PM Roman Gushchin wrote:
> > > >
> > > > On Wed, Apr 17, 2019 at 04:41:01P
On Thu, Apr 18, 2019 at 01:34:52PM +, Christopher Lameter wrote:
> On Wed, 17 Apr 2019, Roman Gushchin wrote:
>
> > Let's make every page to hold a reference to the kmem_cache (we
> > already have a stable pointer), and make kmem_caches to hold a single
> > reference to the memory cgroup.
>
>
On Wed, Apr 17, 2019 at 8:07 PM Roman Gushchin wrote:
>
> On Wed, Apr 17, 2019 at 06:55:12PM -0700, Shakeel Butt wrote:
> > On Wed, Apr 17, 2019 at 5:39 PM Roman Gushchin wrote:
> > >
> > > On Wed, Apr 17, 2019 at 04:41:01PM -0700, Shakeel Butt wrote:
> > > > On Wed, Apr 17, 2019 at 2:55 PM Roman
On Wed, 17 Apr 2019, Roman Gushchin wrote:
> static __always_inline int memcg_charge_slab(struct page *page,
>gfp_t gfp, int order,
>struct kmem_cache *s)
> {
> - if (is_root_cache(s))
> + int idx = (
On Wed, 17 Apr 2019, Roman Gushchin wrote:
> Let's make every page to hold a reference to the kmem_cache (we
> already have a stable pointer), and make kmem_caches to hold a single
> reference to the memory cgroup.
Ok you are freeing one word in the page struct that can be used for other
purposes
On Wed, Apr 17, 2019 at 06:55:12PM -0700, Shakeel Butt wrote:
> On Wed, Apr 17, 2019 at 5:39 PM Roman Gushchin wrote:
> >
> > On Wed, Apr 17, 2019 at 04:41:01PM -0700, Shakeel Butt wrote:
> > > On Wed, Apr 17, 2019 at 2:55 PM Roman Gushchin wrote:
> > > >
> > > > This commit makes several importa
On Wed, Apr 17, 2019 at 5:39 PM Roman Gushchin wrote:
>
> On Wed, Apr 17, 2019 at 04:41:01PM -0700, Shakeel Butt wrote:
> > On Wed, Apr 17, 2019 at 2:55 PM Roman Gushchin wrote:
> > >
> > > This commit makes several important changes in the lifecycle
> > > of a non-root kmem_cache, which also aff
On Wed, Apr 17, 2019 at 04:41:01PM -0700, Shakeel Butt wrote:
> On Wed, Apr 17, 2019 at 2:55 PM 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 ch
On Wed, Apr 17, 2019 at 2:55 PM 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 the memory cgroup and ho
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 the memory cgroup and holds a reference to it.
Kmem_caches are held by the cgroup. On offlin
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