1 files changed, 3 insertions, 2 deletions

diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index dd83cca28001..9158a68140c9 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -23,6 +23,9 @@
 #include <linux/preempt.h>
 #include <linux/types.h>
 
+#define RADIX_TREE_MAX_TAGS 2
+
+/* root tags are stored in gfp_mask, shifted by __GFP_BITS_SHIFT */
 struct radix_tree_root {
         unsigned int            height;
         gfp_t                   gfp_mask;
@@ -45,8 +48,6 @@ do {									\
         (root)->rnode = NULL;                                           \
 } while (0)
 
-#define RADIX_TREE_MAX_TAGS 2
-
 int radix_tree_insert(struct radix_tree_root *, unsigned long, void *);
 void *radix_tree_lookup(struct radix_tree_root *, unsigned long);
 void **radix_tree_lookup_slot(struct radix_tree_root *, unsigned long);