diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index 3b04a01..ed0e0e9 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -191,7 +191,7 @@
 	struct mmiotrace_rw *my_trace = &get_cpu_var(cpu_trace);
 	const unsigned long instptr = instruction_pointer(regs);
 	const enum reason_type type = get_ins_type(instptr);
-	struct remap_trace *trace = p->user_data;
+	struct remap_trace *trace = p->private;
 
 	/* it doesn't make sense to have more than one active trace per cpu */
 	if (my_reason->active_traces)
@@ -299,7 +299,7 @@
 			.len = size,
 			.pre_handler = pre,
 			.post_handler = post,
-			.user_data = trace
+			.private = trace
 		},
 		.phys = offset,
 		.id = atomic_inc_return(&next_id)
diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h
index 5cbbc37..61d19e1 100644
--- a/include/linux/mmiotrace.h
+++ b/include/linux/mmiotrace.h
@@ -18,7 +18,7 @@
 	unsigned long len; /* length of the probe region */
 	kmmio_pre_handler_t pre_handler; /* Called before addr is executed. */
 	kmmio_post_handler_t post_handler; /* Called after addr is executed */
-	void *user_data;
+	void *private;
 };
 
 /* kmmio is active by some kmmio_probes? */