X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Flinux%2Fradix-tree.h;h=9158a68140c9e0e96dd3cbf98acb13a3a0babd92;hb=612d6c19db2fd0dc97b0fa370613ecd4a305ffc3;hp=36e5d269612fec7ce193f2edee5fd816af353650;hpb=7669a22592fc6cc7ac03f55a7db8d23ce938f1dc;p=powerpc.git

diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index 36e5d26961..9158a68140 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -19,9 +19,13 @@
 #ifndef _LINUX_RADIX_TREE_H
 #define _LINUX_RADIX_TREE_H
 
+#include <linux/sched.h>
 #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;
@@ -54,15 +58,16 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results,
 int radix_tree_preload(gfp_t gfp_mask);
 void radix_tree_init(void);
 void *radix_tree_tag_set(struct radix_tree_root *root,
-			unsigned long index, int tag);
+			unsigned long index, unsigned int tag);
 void *radix_tree_tag_clear(struct radix_tree_root *root,
-			unsigned long index, int tag);
+			unsigned long index, unsigned int tag);
 int radix_tree_tag_get(struct radix_tree_root *root,
-			unsigned long index, int tag);
+			unsigned long index, unsigned int tag);
 unsigned int
 radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results,
-		unsigned long first_index, unsigned int max_items, int tag);
-int radix_tree_tagged(struct radix_tree_root *root, int tag);
+		unsigned long first_index, unsigned int max_items,
+		unsigned int tag);
+int radix_tree_tagged(struct radix_tree_root *root, unsigned int tag);
 
 static inline void radix_tree_preload_end(void)
 {