1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_SCHED_SYSCTL_H 3 #define _LINUX_SCHED_SYSCTL_H 4 5 #include <linux/types.h> 6 7 struct ctl_table; 8 9 #ifdef CONFIG_DETECT_HUNG_TASK 10 /* used for hung_task and block/ */ 11 extern unsigned long sysctl_hung_task_timeout_secs; 12 #else 13 /* Avoid need for ifdefs elsewhere in the code */ 14 enum { sysctl_hung_task_timeout_secs = 0 }; 15 #endif 16 17 enum sched_tunable_scaling { 18 SCHED_TUNABLESCALING_NONE, 19 SCHED_TUNABLESCALING_LOG, 20 SCHED_TUNABLESCALING_LINEAR, 21 SCHED_TUNABLESCALING_END, 22 }; 23 24 #define NUMA_BALANCING_DISABLED 0x0 25 #define NUMA_BALANCING_NORMAL 0x1 26 #define NUMA_BALANCING_MEMORY_TIERING 0x2 27 28 #ifdef CONFIG_NUMA_BALANCING 29 extern int sysctl_numa_balancing_mode; 30 extern unsigned int sysctl_numa_balancing_promote_rate_limit; 31 #else 32 #define sysctl_numa_balancing_mode 0 33 #endif 34 35 int sysctl_numa_balancing(struct ctl_table *table, int write, void *buffer, 36 size_t *lenp, loff_t *ppos); 37 38 #endif /* _LINUX_SCHED_SYSCTL_H */ 39