[PATCH] export rbtree routines for modules.

lib/Makefile

@@ -8,7 +8,7 @@
 
 L_TARGET := lib.a
 
-export-objs := cmdline.o dec_and_lock.o rwsem-spinlock.o rwsem.o crc32.o
+export-objs := cmdline.o dec_and_lock.o rwsem-spinlock.o rwsem.o crc32.o rbtree.o
 
 obj-y := errno.o ctype.o string.o vsprintf.o brlock.o cmdline.o bust_spinlocks.o rbtree.o
 

lib/rbtree.c

@@ -20,6 +20,7 @@
 */
 
 #include <linux/rbtree.h>
+#include <linux/module.h>
 
 static void __rb_rotate_left(rb_node_t * node, rb_root_t * root)
 {
@@ -125,6 +126,7 @@ void rb_insert_color(rb_node_t * node, rb_root_t * root)
 
 	root->rb_node->rb_color = RB_BLACK;
 }
+EXPORT_SYMBOL(rb_insert_color);
 
 static void __rb_erase_color(rb_node_t * node, rb_node_t * parent,
 			     rb_root_t * root)
@@ -291,3 +293,4 @@ void rb_erase(rb_node_t * node, rb_root_t * root)
 	if (color == RB_BLACK)
 		__rb_erase_color(child, parent, root);
 }
+EXPORT_SYMBOL(rb_erase);