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-rw-r--r--include/linux/radix-tree.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index dd83cca2800..9158a68140c 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);