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-rw-r--r--tools/testing/radix-tree/linux/kernel.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index 76a88f35fdc4..31fe2c77d7ae 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -12,6 +12,8 @@
#define CONFIG_SHMEM
#define CONFIG_SWAP
+#define RADIX_TREE_MAP_SHIFT 3
+
#ifndef NULL
#define NULL 0
#endif