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

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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: Ben Gardon <bgardon@google.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20220516232138.1783324-17-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
David Matlack 2022-06-22 15:27:03 -04:00 committed by Paolo Bonzini
parent 2ff9039a75
commit 81cb4657e9
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kvm/mmu/mmu.c
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@ -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);
}