sched/headers: Remove #ifdefs from <linux/sched.h>
authorIngo Molnar <mingo@kernel.org>
Mon, 6 Feb 2017 10:44:12 +0000 (11:44 +0100)
committerIngo Molnar <mingo@kernel.org>
Fri, 3 Mar 2017 00:45:41 +0000 (01:45 +0100)
We can remove two pairs of #ifdefs by defining structures in a smarter way.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
include/linux/sched.h

index f9dc9cf..341f579 100644 (file)
@@ -224,8 +224,8 @@ struct task_cputime {
 #define prof_exp       stime
 #define sched_exp      sum_exec_runtime
 
-#ifdef CONFIG_SCHED_INFO
 struct sched_info {
+#ifdef CONFIG_SCHED_INFO
        /* cumulative counters */
        unsigned long pcount;         /* # of times run on this cpu */
        unsigned long long run_delay; /* time spent waiting on a runqueue */
@@ -233,8 +233,8 @@ struct sched_info {
        /* timestamps */
        unsigned long long last_arrival,/* when we last ran on a cpu */
                           last_queued; /* when we were last queued to run */
-};
 #endif /* CONFIG_SCHED_INFO */
+};
 
 /*
  * Integer metrics need fixed point arithmetic, e.g., sched/fair
@@ -309,8 +309,8 @@ struct sched_avg {
        unsigned long load_avg, util_avg;
 };
 
-#ifdef CONFIG_SCHEDSTATS
 struct sched_statistics {
+#ifdef CONFIG_SCHEDSTATS
        u64                     wait_start;
        u64                     wait_max;
        u64                     wait_count;
@@ -342,8 +342,8 @@ struct sched_statistics {
        u64                     nr_wakeups_affine_attempts;
        u64                     nr_wakeups_passive;
        u64                     nr_wakeups_idle;
-};
 #endif
+};
 
 struct sched_entity {
        struct load_weight      load;           /* for load-balancing */
@@ -358,9 +358,7 @@ struct sched_entity {
 
        u64                     nr_migrations;
 
-#ifdef CONFIG_SCHEDSTATS
        struct sched_statistics statistics;
-#endif
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
        int                     depth;
@@ -530,9 +528,7 @@ struct task_struct {
        int rcu_tasks_idle_cpu;
 #endif /* #ifdef CONFIG_TASKS_RCU */
 
-#ifdef CONFIG_SCHED_INFO
        struct sched_info sched_info;
-#endif
 
        struct list_head tasks;
 #ifdef CONFIG_SMP