Commit 81cb4657 authored by David Matlack's avatar David Matlack Committed by Paolo Bonzini
Browse files

KVM: x86/mmu: Update page stats in __rmap_add() 



Update the page stats in __rmap_add() rather than at the call site. This
will avoid having to manually update page stats when splitting huge
pages in a subsequent commit.

No functional change intended.

Reviewed-by: default avatarBen Gardon <bgardon@google.com>
Reviewed-by: default avatarPeter Xu <peterx@redhat.com>
Signed-off-by: default avatarDavid Matlack <dmatlack@google.com>
Message-Id: <20220516232138.1783324-17-dmatlack@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 2ff9039a

arch/x86/kvm/mmu/mmu.c

+2 −1
Original line number Diff line number Diff line
@@ -1562,6 +1562,8 @@ static void __rmap_add(struct kvm *kvm, 


	sp = sptep_to_sp(spte);

	kvm_mmu_page_set_gfn(sp, spte - sp->spt, gfn);

	kvm_update_page_stats(kvm, sp->role.level, 1);



	rmap_head = gfn_to_rmap(gfn, sp->role.level, slot);

	rmap_count = pte_list_add(cache, spte, rmap_head);
@@ -2783,7 +2785,6 @@ static int mmu_set_spte(struct kvm_vcpu *vcpu, struct kvm_memory_slot *slot, 


	if (!was_rmapped) {

		WARN_ON_ONCE(ret == RET_PF_SPURIOUS);

		kvm_update_page_stats(vcpu->kvm, level, 1);

		rmap_add(vcpu, slot, sptep, gfn);

	}