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-rw-r--r--arch/x86/kvm/mmu/tdp_mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index e246d71b8ea2..27e381c9da6c 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -209,7 +209,7 @@ static void __handle_changed_spte(struct kvm *kvm, int as_id, gfn_t gfn,
WARN_ON(level > PT64_ROOT_MAX_LEVEL);
WARN_ON(level < PG_LEVEL_4K);
- WARN_ON(gfn % KVM_PAGES_PER_HPAGE(level));
+ WARN_ON(gfn & (KVM_PAGES_PER_HPAGE(level) - 1));
/*
* If this warning were to trigger it would indicate that there was a