From: David Matlack <dmatlack@xxxxxxxxxx>
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@xxxxxxxxxx>
Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>
Signed-off-by: David Matlack <dmatlack@xxxxxxxxxx>
Message-Id: <20220516232138.1783324-17-dmatlack@xxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/mmu/mmu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index a8cdbe2958d9..7cca28d89a85 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -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);
}
--
2.31.1
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