namespaces Kconfig: remove pointless cgroup dependency

The different cgroup subsystems are under the cgroup submenu.  The
dependency between the cgroups and the menu subsystems is pointless.
Signed-off-by: NDaniel Lezcano <daniel.lezcano@free.fr>
Acked-by: NLi Zefan <lizf@cn.fujitsu.com>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

init/Kconfig

@@ -518,7 +518,6 @@ if CGROUPS
 
 config CGROUP_DEBUG
 	bool "Example debug cgroup subsystem"
-	depends on CGROUPS
 	default n
 	help
 	  This option enables a simple cgroup subsystem that
@@ -529,7 +528,6 @@ config CGROUP_DEBUG
 
 config CGROUP_NS
 	bool "Namespace cgroup subsystem"
-	depends on CGROUPS
 	help
 	  Provides a simple namespace cgroup subsystem to
 	  provide hierarchical naming of sets of namespaces,
@@ -538,21 +536,19 @@ config CGROUP_NS
 
 config CGROUP_FREEZER
 	bool "Freezer cgroup subsystem"
-	depends on CGROUPS
 	help
 	  Provides a way to freeze and unfreeze all tasks in a
 	  cgroup.
 
 config CGROUP_DEVICE
 	bool "Device controller for cgroups"
-	depends on CGROUPS && EXPERIMENTAL
+	depends on EXPERIMENTAL
 	help
 	  Provides a cgroup implementing whitelists for devices which
 	  a process in the cgroup can mknod or open.
 
 config CPUSETS
 	bool "Cpuset support"
-	depends on CGROUPS
 	help
 	  This option will let you create and manage CPUSETs which
 	  allow dynamically partitioning a system into sets of CPUs and
@@ -568,7 +564,6 @@ config PROC_PID_CPUSET
 
 config CGROUP_CPUACCT
 	bool "Simple CPU accounting cgroup subsystem"
-	depends on CGROUPS
 	help
 	  Provides a simple Resource Controller for monitoring the
 	  total CPU consumed by the tasks in a cgroup.
@@ -578,11 +573,10 @@ config RESOURCE_COUNTERS
 	help
 	  This option enables controller independent resource accounting
 	  infrastructure that works with cgroups.
-	depends on CGROUPS
 
 config CGROUP_MEM_RES_CTLR
 	bool "Memory Resource Controller for Control Groups"
-	depends on CGROUPS && RESOURCE_COUNTERS
+	depends on RESOURCE_COUNTERS
 	select MM_OWNER
 	help
 	  Provides a memory resource controller that manages both anonymous
@@ -623,7 +617,7 @@ config CGROUP_MEM_RES_CTLR_SWAP
 
 menuconfig CGROUP_SCHED
 	bool "Group CPU scheduler"
-	depends on EXPERIMENTAL && CGROUPS
+	depends on EXPERIMENTAL
 	default n
 	help
 	  This feature lets CPU scheduler recognize task groups and control CPU
@@ -652,7 +646,7 @@ endif #CGROUP_SCHED
 
 config BLK_CGROUP
 	tristate "Block IO controller"
-	depends on CGROUPS && BLOCK
+	depends on BLOCK
 	default n
 	---help---
 	Generic block IO controller cgroup interface. This is the common