Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 17 insertions, 12 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 0c991023ee47..ab4ac0ccb857 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -75,7 +75,7 @@ struct cgroup_subsys_state {
 
         unsigned long flags;
         /* ID for this css, if possible */
-        struct css_id *id;
+        struct css_id __rcu *id;
 };
 
 /* bits in struct cgroup_subsys_state flags field */
@@ -154,6 +154,10 @@ enum {
          * A thread in rmdir() is wating for this cgroup.
          */
         CGRP_WAIT_ON_RMDIR,
+        /*
+         * Clone cgroup values when creating a new child cgroup
+         */
+        CGRP_CLONE_CHILDREN,
 };
 
 /* which pidlist file are we talking about? */
@@ -205,7 +209,7 @@ struct cgroup {
         struct list_head children;      /* my children */
 
         struct cgroup *parent;          /* my parent */
-        struct dentry *dentry;          /* cgroup fs entry, RCU protected */
+        struct dentry __rcu *dentry;    /* cgroup fs entry, RCU protected */
 
         /* Private pointers for each registered subsystem */
         struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];
@@ -236,7 +240,7 @@ struct cgroup {
         /* For RCU-protected deletion */
         struct rcu_head rcu_head;
 
-        /* List of events which userspace want to recieve */
+        /* List of events which userspace want to receive */
         struct list_head event_list;
         spinlock_t event_list_lock;
 };
@@ -463,14 +467,17 @@ struct cgroup_subsys {
         int (*pre_destroy)(struct cgroup_subsys *ss, struct cgroup *cgrp);
         void (*destroy)(struct cgroup_subsys *ss, struct cgroup *cgrp);
         int (*can_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
-                          struct task_struct *tsk, bool threadgroup);
+                          struct task_struct *tsk);
+        int (*can_attach_task)(struct cgroup *cgrp, struct task_struct *tsk);
         void (*cancel_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
-                          struct task_struct *tsk, bool threadgroup);
+                              struct task_struct *tsk);
+        void (*pre_attach)(struct cgroup *cgrp);
+        void (*attach_task)(struct cgroup *cgrp, struct task_struct *tsk);
         void (*attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
-                        struct cgroup *old_cgrp, struct task_struct *tsk,
-                        bool threadgroup);
+                       struct cgroup *old_cgrp, struct task_struct *tsk);
         void (*fork)(struct cgroup_subsys *ss, struct task_struct *task);
-        void (*exit)(struct cgroup_subsys *ss, struct task_struct *task);
+        void (*exit)(struct cgroup_subsys *ss, struct cgroup *cgrp,
+                        struct cgroup *old_cgrp, struct task_struct *task);
         int (*populate)(struct cgroup_subsys *ss,
                         struct cgroup *cgrp);
         void (*post_clone)(struct cgroup_subsys *ss, struct cgroup *cgrp);
@@ -548,9 +555,6 @@ static inline struct cgroup* task_cgroup(struct task_struct *task,
         return task_subsys_state(task, subsys_id)->cgroup;
 }
 
-int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *ss,
-                                                        char *nodename);
-
 /* A cgroup_iter should be treated as an opaque object */
 struct cgroup_iter {
         struct list_head *cg_link;
@@ -560,7 +564,7 @@ struct cgroup_iter {
 /*
  * To iterate across the tasks in a cgroup:
  *
- * 1) call cgroup_iter_start to intialize an iterator
+ * 1) call cgroup_iter_start to initialize an iterator
  *
  * 2) call cgroup_iter_next() to retrieve member tasks until it
  *    returns NULL or until you want to end the iteration
@@ -622,6 +626,7 @@ bool css_is_ancestor(struct cgroup_subsys_state *cg,
 /* Get id and depth of css */
 unsigned short css_id(struct cgroup_subsys_state *css);
 unsigned short css_depth(struct cgroup_subsys_state *css);
+struct cgroup_subsys_state *cgroup_css_from_dir(struct file *f, int id);
 
 #else /* !CONFIG_CGROUPS */