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SubjectRe: [PATCH 4/5] mm: rework non-root kmem_cache lifecycle management
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On Thu, Apr 18, 2019 at 01:34:52PM +0000, 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.
>
> Ok you are freeing one word in the page struct that can be used for other
> purposes now?
>

Looks so!

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