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

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On Thu, 24 Jun 2021 09:58:00 +0100,
Nicholas Piggin <npiggin@xxxxxxxxx> wrote:
> 
> 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);

I'm not sure. I always found kvm_release_pfn_clean() ugly, because it
doesn't mark the page 'clean'. I find put_page() more correct.

Something like 'kvm_put_pfn_page()' would make more sense, but I'm so
bad at naming things that I could just as well call it 'bob()'.

	M.

-- 
Without deviation from the norm, progress is not possible.



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