Task Control Groups: make cpusets a client of cgroups

Remove the filesystem support logic from the cpusets system and makes cpusets
a cgroup subsystem

The "cpuset" filesystem becomes a dummy filesystem; attempts to mount it get
passed through to the cgroup filesystem with the appropriate options to
emulate the old cpuset filesystem behaviour.

Signed-off-by: Paul Menage <menage@google.com>
Cc: Serge E. Hallyn <serue@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Paul Jackson <pj@sgi.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index fcac38929245..61516b89cb6c 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -29,7 +29,6 @@
 #include <linux/nsproxy.h>
 #include <linux/capability.h>
 #include <linux/cpu.h>
-#include <linux/cpuset.h>
 #include <linux/cgroup.h>
 #include <linux/security.h>
 #include <linux/swap.h>
@@ -1089,7 +1088,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 #endif
         p->io_context = NULL;
         p->audit_context = NULL;
-        cpuset_fork(p);
         cgroup_fork(p);
 #ifdef CONFIG_NUMA
         p->mempolicy = mpol_copy(p->mempolicy);
@@ -1330,7 +1328,6 @@ bad_fork_cleanup_policy:
         mpol_free(p->mempolicy);
 bad_fork_cleanup_cgroup:
 #endif
-        cpuset_exit(p);
         cgroup_exit(p, cgroup_callbacks_done);
 bad_fork_cleanup_delays_binfmt:
         delayacct_tsk_free(p);