KVM: struct kvm_memory_slot.user_alloc -> bool

There's no need for this to be an int, it holds a boolean.
Move to the end of the struct for alignment.

Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

arch/powerpc/kvm/powerpc.c

@@ -412,7 +412,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
                                    struct kvm_memory_slot *memslot,
                                    struct kvm_memory_slot old,
                                    struct kvm_userspace_memory_region *mem,
-                                   int user_alloc)
+                                   bool user_alloc)
 {
 	return kvmppc_core_prepare_memory_region(kvm, memslot, mem);
 }
@@ -420,7 +420,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
 void kvm_arch_commit_memory_region(struct kvm *kvm,
                struct kvm_userspace_memory_region *mem,
                struct kvm_memory_slot old,
-               int user_alloc)
+               bool user_alloc)
 {
 	kvmppc_core_commit_memory_region(kvm, mem, old);
 }