Merge branch 'sched/latest' of git://git.kernel.org/pub/scm/linux/kernel/git/ghaskins/linux-2.6-hacks into sched/rt

3 files changed, 9 insertions, 3 deletions

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 2f3c2d4ef73b..9d85d9f03d18 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -142,6 +142,7 @@ extern struct cred init_cred;
                 .nr_cpus_allowed = NR_CPUS,                             \
         },                                                              \
         .tasks          = LIST_HEAD_INIT(tsk.tasks),                    \
+        .pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO), \
         .ptraced        = LIST_HEAD_INIT(tsk.ptraced),                  \
         .ptrace_entry   = LIST_HEAD_INIT(tsk.ptrace_entry),             \
         .real_parent    = &tsk,                                         \
diff --git a/include/linux/plist.h b/include/linux/plist.h
index 85de2f055874..45926d77d6ac 100644
--- a/include/linux/plist.h
+++ b/include/linux/plist.h
@@ -96,6 +96,10 @@ struct plist_node {
 # define PLIST_HEAD_LOCK_INIT(_lock)
 #endif
 
+#define _PLIST_HEAD_INIT(head)                          \
+        .prio_list = LIST_HEAD_INIT((head).prio_list),  \
+        .node_list = LIST_HEAD_INIT((head).node_list)
+
 /**
  * PLIST_HEAD_INIT - static struct plist_head initializer
  * @head:       struct plist_head variable name
@@ -103,8 +107,7 @@ struct plist_node {
  */
 #define PLIST_HEAD_INIT(head, _lock)                    \
 {                                                       \
-        .prio_list = LIST_HEAD_INIT((head).prio_list),  \
-        .node_list = LIST_HEAD_INIT((head).node_list),  \
+        _PLIST_HEAD_INIT(head),                         \
         PLIST_HEAD_LOCK_INIT(&(_lock))                  \
 }
 
@@ -116,7 +119,7 @@ struct plist_node {
 #define PLIST_NODE_INIT(node, __prio)                   \
 {                                                       \
         .prio  = (__prio),                              \
-        .plist = PLIST_HEAD_INIT((node).plist, NULL),   \
+        .plist = { _PLIST_HEAD_INIT((node).plist) },    \
 }
 
 /**
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4cae9b81a1f8..c37c5141037b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -977,6 +977,7 @@ struct sched_class {
                               struct rq *busiest, struct sched_domain *sd,
                               enum cpu_idle_type idle);
         void (*pre_schedule) (struct rq *this_rq, struct task_struct *task);
+        int (*needs_post_schedule) (struct rq *this_rq);
         void (*post_schedule) (struct rq *this_rq);
         void (*task_wake_up) (struct rq *this_rq, struct task_struct *task);
 
@@ -1143,6 +1144,7 @@ struct task_struct {
 #endif
 
         struct list_head tasks;
+        struct plist_node pushable_tasks;
 
         struct mm_struct *mm, *active_mm;