| Johannes Weiner | eb41468 | 2018-10-26 15:06:27 -0700 | [diff] [blame^] | 1 | #ifndef _LINUX_PSI_H |
| 2 | #define _LINUX_PSI_H |
| 3 | |
| 4 | #include <linux/psi_types.h> |
| 5 | #include <linux/sched.h> |
| 6 | |
| 7 | #ifdef CONFIG_PSI |
| 8 | |
| 9 | extern bool psi_disabled; |
| 10 | |
| 11 | void psi_init(void); |
| 12 | |
| 13 | void psi_task_change(struct task_struct *task, int clear, int set); |
| 14 | |
| 15 | void psi_memstall_tick(struct task_struct *task, int cpu); |
| 16 | void psi_memstall_enter(unsigned long *flags); |
| 17 | void psi_memstall_leave(unsigned long *flags); |
| 18 | |
| 19 | #else /* CONFIG_PSI */ |
| 20 | |
| 21 | static inline void psi_init(void) {} |
| 22 | |
| 23 | static inline void psi_memstall_enter(unsigned long *flags) {} |
| 24 | static inline void psi_memstall_leave(unsigned long *flags) {} |
| 25 | |
| 26 | #endif /* CONFIG_PSI */ |
| 27 | |
| 28 | #endif /* _LINUX_PSI_H */ |