Index: linux-2.6.15-rc3-mm1/include/linux/mempolicy.h
===================================================================
--- linux-2.6.15-rc3-mm1.orig/include/linux/mempolicy.h	2005-12-01 14:14:20.000000000 -0800
+++ linux-2.6.15-rc3-mm1/include/linux/mempolicy.h	2005-12-02 18:32:36.000000000 -0800
@@ -62,6 +62,8 @@ struct vm_area_struct;
 struct mempolicy {
 	atomic_t refcnt;
 	short policy; 	/* See MPOL_* above */
+	void *owner;	/* task or cpuset owning this task allowed to change
+			 * the policy */
 	union {
 		struct zonelist  *zonelist;	/* bind */
 		short 		 preferred_node; /* preferred */