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-rw-r--r--tools/testing/radix-tree/linux/gfp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/linux/gfp.h b/tools/testing/radix-tree/linux/gfp.h
index 5b09b2ce6c33..701209816a6b 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))