+Vipin and David On Wed, Aug 14, 2024, Liang Chen wrote: > The shrinker is allocated with TDP MMU, which is meaningless except for > nested VMs, and 'count_objects' is also called each time the reclaim > path tries to shrink slab caches. Let's allocate the shrinker only when > necessary. This is definitely not worth the complexity. In its current form, KVM's shrinker is quite useless[1], and there were plans to repurpose the shrinker to free pages from the so called "mmu caches"[2], i.e. free pages that are guaranteed to not be in use. Vipin/David, what happened to that series? Are we still working on it? [1] https://lore.kernel.org/lkml/Y45dldZnI6OIf+a5@xxxxxxxxxx [2] https://lore.kernel.org/all/20221222023457.1764-2-vipinsh@xxxxxxxxxx