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 #ifdef CONFIG_DETECT_HUNG_TASK 8 /* used for hung_task and block/ */ 9 extern unsigned long sysctl_hung_task_timeout_secs; 10 #else 11 /* Avoid need for ifdefs elsewhere in the code */ 12 enum { sysctl_hung_task_timeout_secs = 0 }; 13 #endif 14 15 extern unsigned int sysctl_sched_latency; 16 extern unsigned int sysctl_sched_wakeup_granularity; 17 18 enum sched_tunable_scaling { 19 SCHED_TUNABLESCALING_NONE, 20 SCHED_TUNABLESCALING_LOG, 21 SCHED_TUNABLESCALING_LINEAR, 22 SCHED_TUNABLESCALING_END, 23 }; 24 25 #define NUMA_BALANCING_DISABLED 0x0 26 #define NUMA_BALANCING_NORMAL 0x1 27 #define NUMA_BALANCING_MEMORY_TIERING 0x2 28 29 #ifdef CONFIG_NUMA_BALANCING 30 extern int sysctl_numa_balancing_mode; 31 #else 32 #define sysctl_numa_balancing_mode 0 33 #endif 34 35 #endif /* _LINUX_SCHED_SYSCTL_H */ 36