diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index 8d90de213ce9..1d90d79706bd 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -297,6 +297,8 @@ static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size)
 	phys_addr_t next;
 
 	assert_spin_locked(&kvm->mmu_lock);
+	WARN_ON(size & ~PAGE_MASK);
+
 	pgd = kvm->arch.pgd + stage2_pgd_index(addr);
 	do {
 		/*