This patch sets up the rlimit cgroup controller. It adds the basic create,
destroy and populate functionality. The user interface provided is very
similar to the memory resource controller. The rlimit controller can be
enhanced easily in the future to control mlocked pages.

Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
---

 include/linux/cgroup_subsys.h |    4 +
 include/linux/rlimitcgroup.h  |   19 +++++
 init/Kconfig                  |   10 ++
 mm/Makefile                   |    1 
 mm/rlimitcgroup.c             |  141 ++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 175 insertions(+)

diff -puN /dev/null mm/rlimitcgroup.c
--- /dev/null	2008-05-03 22:12:13.033285313 +0530
+++ linux-2.6.25-balbir/mm/rlimitcgroup.c	2008-05-04 02:52:51.000000000 +0530
@@ -0,0 +1,141 @@
+/*
+ * Copyright