sched: move sched_feat() definitions
move sched_feat() definitions so that it can be used sooner by generic
code too.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/sched.c b/kernel/sched.c
index 8f80eba..a5dd035 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -382,6 +382,37 @@
#define cpu_curr(cpu) (cpu_rq(cpu)->curr)
/*
+ * Tunables that become constants when CONFIG_SCHED_DEBUG is off:
+ */
+#ifdef CONFIG_SCHED_DEBUG
+# define const_debug __read_mostly
+#else
+# define const_debug static const
+#endif
+
+/*
+ * Debugging: various feature bits
+ */
+enum {
+ SCHED_FEAT_FAIR_SLEEPERS = 1,
+ SCHED_FEAT_NEW_FAIR_SLEEPERS = 2,
+ SCHED_FEAT_SLEEPER_AVG = 4,
+ SCHED_FEAT_SLEEPER_LOAD_AVG = 8,
+ SCHED_FEAT_START_DEBIT = 16,
+ SCHED_FEAT_SKIP_INITIAL = 32,
+};
+
+const_debug unsigned int sysctl_sched_features =
+ SCHED_FEAT_FAIR_SLEEPERS *0 |
+ SCHED_FEAT_NEW_FAIR_SLEEPERS *1 |
+ SCHED_FEAT_SLEEPER_AVG *0 |
+ SCHED_FEAT_SLEEPER_LOAD_AVG *1 |
+ SCHED_FEAT_START_DEBIT *1 |
+ SCHED_FEAT_SKIP_INITIAL *0;
+
+#define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x)
+
+/*
* For kernel-internal use: high-speed (but slightly incorrect) per-cpu
* clock constructed from sched_clock():
*/