[PATCH] MAINTAINERS: add U: for URL of todo list, add RCU todo list

["Paul E. McKenney" <paulmck@linux.vnet.ibm.com>]

Since T: and L: are already taken, add U: for URL of todo list.
Also add the RCU todo list to both the RCU and RCUTORTURE projects.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

diff --git a/MAINTAINERS b/MAINTAINERS
index 3f21c27..1c57186 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -103,6 +103,7 @@ Descriptions of section entries:
 	      matches patches or files that contain one or more of the words
 	      printk, pr_info or pr_err
 	   One regex pattern per line.  Multiple K: lines acceptable.
+	U: URL of todo list.
 
 Note: For the hard of thinking, this list is meant to remain in alphabetical
 order. If you could add yourselves to it in alphabetical order that would be
@@ -4801,6 +4802,7 @@ M:	Josh Triplett <josh@freedesktop.org>
 M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
 S:	Supported
 T:	git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git
+U:	http://kernel.org/pub/linux/kernel/people/paulmck/rcutodo.html
 F:	Documentation/RCU/torture.txt
 F:	kernel/rcutorture.c
 
@@ -4826,6 +4828,7 @@ M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
 W:	http://www.rdrop.com/users/paulmck/rclock/
 S:	Supported
 T:	git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git
+U:	http://kernel.org/pub/linux/kernel/people/paulmck/rcutodo.html
 F:	Documentation/RCU/
 F:	include/linux/rcu*
 F:	include/linux/srcu*