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-rw-r--r--arch/x86/kvm/mmu/tdp_mmu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 3c8284841bed..c743894fe0b7 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -444,6 +444,13 @@ static void __handle_changed_spte(struct kvm *kvm, int as_id, gfn_t gfn,
trace_kvm_tdp_mmu_spte_changed(as_id, gfn, level, old_spte, new_spte);
+ if (is_large_pte(old_spte) != is_large_pte(new_spte)) {
+ if (is_large_pte(old_spte))
+ atomic64_sub(1, (atomic64_t*)&kvm->stat.lpages);
+ else
+ atomic64_add(1, (atomic64_t*)&kvm->stat.lpages);
+ }
+
/*
* The only times a SPTE should be changed from a non-present to
* non-present state is when an MMIO entry is installed/modified/