sched: sched_rt_entity

Move the task_struct members specific to rt scheduling together.
A future optimization could be to put sched_entity and sched_rt_entity
into a union.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
CC: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 72e1b8ecfbe1..a06d09ebd5c6 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -929,6 +929,11 @@ struct sched_entity {
 #endif
 };
 
+struct sched_rt_entity {
+        struct list_head run_list;
+        unsigned int time_slice;
+};
+
 struct task_struct {
         volatile long state;    /* -1 unrunnable, 0 runnable, >0 stopped */
         void *stack;
@@ -945,9 +950,9 @@ struct task_struct {
 #endif
 
         int prio, static_prio, normal_prio;
-        struct list_head run_list;
         const struct sched_class *sched_class;
         struct sched_entity se;
+        struct sched_rt_entity rt;
 
 #ifdef CONFIG_PREEMPT_NOTIFIERS
         /* list of struct preempt_notifier: */
@@ -972,7 +977,6 @@ struct task_struct {
         unsigned int policy;
         cpumask_t cpus_allowed;
         int nr_cpus_allowed;
-        unsigned int time_slice;
 
 #ifdef CONFIG_PREEMPT_RCU
         int rcu_read_lock_nesting;