KVM: switch per-VM stats to u64

Make them the same type as vCPU stats.  There is no reason
to limit the counters to unsigned long.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/arm64/include/asm/kvm_host.h

@@ -556,7 +556,7 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg)
 }
 
 struct kvm_vm_stat {
-	ulong remote_tlb_flush;
+	u64 remote_tlb_flush;
 };
 
 struct kvm_vcpu_stat {

arch/mips/include/asm/kvm_host.h

@@ -109,7 +109,7 @@ static inline bool kvm_is_error_hva(unsigned long addr)
 }
 
 struct kvm_vm_stat {
-	ulong remote_tlb_flush;
+	u64 remote_tlb_flush;
 };
 
 struct kvm_vcpu_stat {

arch/powerpc/include/asm/kvm_host.h

@@ -81,9 +81,9 @@ struct kvmppc_book3s_shadow_vcpu;
 struct kvm_nested_guest;
 
 struct kvm_vm_stat {
-	ulong remote_tlb_flush;
-	ulong num_2M_pages;
-	ulong num_1G_pages;
+	u64 remote_tlb_flush;
+	u64 num_2M_pages;
+	u64 num_1G_pages;
 };
 
 struct kvm_vcpu_stat {

arch/x86/include/asm/kvm_host.h

@@ -1158,17 +1158,17 @@ struct kvm_arch {
 };
 
 struct kvm_vm_stat {
-	ulong mmu_shadow_zapped;
-	ulong mmu_pte_write;
-	ulong mmu_pde_zapped;
-	ulong mmu_flooded;
-	ulong mmu_recycled;
-	ulong mmu_cache_miss;
-	ulong mmu_unsync;
-	ulong remote_tlb_flush;
-	ulong lpages;
-	ulong nx_lpage_splits;
-	ulong max_mmu_page_hash_collisions;
+	u64 mmu_shadow_zapped;
+	u64 mmu_pte_write;
+	u64 mmu_pde_zapped;
+	u64 mmu_flooded;
+	u64 mmu_recycled;
+	u64 mmu_cache_miss;
+	u64 mmu_unsync;
+	u64 remote_tlb_flush;
+	u64 lpages;
+	u64 nx_lpage_splits;
+	u64 max_mmu_page_hash_collisions;
 };
 
 struct kvm_vcpu_stat {

virt/kvm/kvm_main.c

@@ -4833,14 +4833,14 @@ static int kvm_debugfs_release(struct inode *inode, struct file *file)
 
 static int kvm_get_stat_per_vm(struct kvm *kvm, size_t offset, u64 *val)
 {
-	*val = *(ulong *)((void *)kvm + offset);
+	*val = *(u64 *)((void *)kvm + offset);
 
 	return 0;
 }
 
 static int kvm_clear_stat_per_vm(struct kvm *kvm, size_t offset)
 {
-	*(ulong *)((void *)kvm + offset) = 0;
+	*(u64 *)((void *)kvm + offset) = 0;
 
 	return 0;
 }