On Mon, Nov 4, 2024 at 10:01 PM Sean Christopherson <seanjc@xxxxxxxxxx> wrote: > > On Fri, 01 Nov 2024 13:14:36 -0700, Vipin Sharma wrote: > > Based on the feedback from v2, this patch is now completely removing KVM MMU > > shrinker whereas earlier versions were repurposing KVM MMU shrinker > > behavior to shrink vCPU caches. Now, there is no change to vCPU caches > > behavior. > > > > KVM MMU shrinker is not very effective in alleviating pain during memory > > pressure. It frees up the pages actively being used which results in VM > > degradation. VM will take fault and bring them again in page tables. > > More discussions happened at [1]. Overall, consensus was to reprupose it > > into the code which frees pages from KVM MMU page caches. > > > > [...] > > Applied to kvm-x86 mmu, with the massaging and splitting. Definitely feel free > to propose changes/object. I wanted to get this queued asap to get coverage in > -next, but I don't anticipate any more MMU commits, i.e. I can fix these up > without too much fuss. Thanks! > > [1/2] KVM: x86/mmu: Remove KVM's MMU shrinker > https://github.com/kvm-x86/linux/commit/fe140e611d34 > [2/2] KVM: x86/mmu: Drop per-VM zapped_obsolete_pages list > https://github.com/kvm-x86/linux/commit/4cf20d42543c > > -- > https://github.com/kvm-x86/linux/tree/next Thanks for doing it. Looks good to me.
