Re: [PATCH 3/6] KVM: x86/mmu: avoid struct page in MMU

From: Nicholas Piggin
Date: Thu Jun 24 2021 - 04:58:10 EST


Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
> From: David Stevens <stevensd@xxxxxxxxxxxx>
> out_unlock:
> if (is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->root_hpa))
> read_unlock(&vcpu->kvm->mmu_lock);
> else
> write_unlock(&vcpu->kvm->mmu_lock);
> - kvm_release_pfn_clean(pfn);
> + if (pfnpg.page)
> + put_page(pfnpg.page);
> return r;
> }

How about

kvm_release_pfn_page_clean(pfnpg);

Thanks,
Nick