Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / kernel / sched / cpudeadline.h
diff --git a/kernel/kernel/sched/cpudeadline.h b/kernel/kernel/sched/cpudeadline.h
new file mode 100644 (file)
index 0000000..1a0a6ef
--- /dev/null
@@ -0,0 +1,32 @@
+#ifndef _LINUX_CPUDL_H
+#define _LINUX_CPUDL_H
+
+#include <linux/sched.h>
+
+#define IDX_INVALID     -1
+
+struct cpudl_item {
+       u64 dl;
+       int cpu;
+       int idx;
+};
+
+struct cpudl {
+       raw_spinlock_t lock;
+       int size;
+       cpumask_var_t free_cpus;
+       struct cpudl_item *elements;
+};
+
+
+#ifdef CONFIG_SMP
+int cpudl_find(struct cpudl *cp, struct task_struct *p,
+              struct cpumask *later_mask);
+void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid);
+int cpudl_init(struct cpudl *cp);
+void cpudl_set_freecpu(struct cpudl *cp, int cpu);
+void cpudl_clear_freecpu(struct cpudl *cp, int cpu);
+void cpudl_cleanup(struct cpudl *cp);
+#endif /* CONFIG_SMP */
+
+#endif /* _LINUX_CPUDL_H */