diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h
index 67cdaf3ae9fc6270a5b558ee23e9be13762506d5..c044ec16a8791e89114e890625accd803d7bf1d5 100644
--- a/include/asm-powerpc/thread_info.h
+++ b/include/asm-powerpc/thread_info.h
@@ -37,7 +37,7 @@ struct thread_info {
 	int		preempt_count;		/* 0 => preemptable,
 						   <0 => BUG */
 	struct restart_block restart_block;
-	void *nvgprs_frame;
+	void __user *nvgprs_frame;
 	/* low level flags - has atomic operations done on it */
 	unsigned long	flags ____cacheline_aligned_in_smp;
 };