diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index e33fc1df3935e3164280fab29ca0a34908ae5b16..9d294161c494abdf9ea2702d1854b7356b50f92a 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -21,6 +21,8 @@
 #endif
 
 #define __user
+#define __rcu
+#define __read_mostly
 
 #ifndef __attribute_const__
 # define __attribute_const__
@@ -50,6 +52,8 @@
 # define unlikely(x)		__builtin_expect(!!(x), 0)
 #endif
 
+#define uninitialized_var(x) x = *(&(x))
+
 #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
 
 #include <linux/types.h>
diff --git a/tools/include/linux/spinlock.h b/tools/include/linux/spinlock.h
new file mode 100644
index 0000000000000000000000000000000000000000..58397dcb19d6092a607478d070a850f162e49bed
--- /dev/null
+++ b/tools/include/linux/spinlock.h
@@ -0,0 +1,5 @@
+#define spinlock_t		pthread_mutex_t
+#define DEFINE_SPINLOCK(x)	pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER;
+
+#define spin_lock_irqsave(x, f)		(void)f, pthread_mutex_lock(x)
+#define spin_unlock_irqrestore(x, f)	(void)f, pthread_mutex_unlock(x)
diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c
index c27c11261c376a6e6eff4406a3380e6fa04ae843..93f06614e91bae2a2f67aafa7e069915afd78737 100644
--- a/tools/testing/radix-tree/linux.c
+++ b/tools/testing/radix-tree/linux.c
@@ -5,6 +5,7 @@
 #include <unistd.h>
 #include <assert.h>
 
+#include <linux/gfp.h>
 #include <linux/poison.h>
 #include <linux/slab.h>
 #include <linux/radix-tree.h>
diff --git a/tools/testing/radix-tree/linux/gfp.h b/tools/testing/radix-tree/linux/gfp.h
index 5b09b2ce6c33ad0e732a70e65347258e00f5a741..701209816a6b9a215be45d3a9a8df3813b491fef 100644
--- a/tools/testing/radix-tree/linux/gfp.h
+++ b/tools/testing/radix-tree/linux/gfp.h
@@ -1,6 +1,8 @@
 #ifndef _GFP_H
 #define _GFP_H
 
+#include <linux/types.h>
+
 #define __GFP_BITS_SHIFT 26
 #define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
 
diff --git a/tools/testing/radix-tree/linux/types.h b/tools/testing/radix-tree/linux/types.h
deleted file mode 100644
index 8491d89873bb03005a0a4dde1a8cf531b9a63c25..0000000000000000000000000000000000000000
--- a/tools/testing/radix-tree/linux/types.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef _TYPES_H
-#define _TYPES_H
-
-#include "../../include/linux/types.h"
-
-#define __rcu
-#define __read_mostly
-
-static inline void INIT_LIST_HEAD(struct list_head *list)
-{
-	list->next = list;
-	list->prev = list;
-}
-
-typedef struct {
-	unsigned int x;
-} spinlock_t;
-
-#define uninitialized_var(x) x = x
-
-#include <linux/gfp.h>
-
-#endif