diff options
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 70 |
1 files changed, 60 insertions, 10 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 87174ef59161..c88878db491e 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -97,10 +97,12 @@ extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; extern int max_threads; -extern int core_uses_pid; extern int suid_dumpable; +#ifdef CONFIG_COREDUMP +extern int core_uses_pid; extern char core_pattern[]; extern unsigned int core_pipe_limit; +#endif extern int pid_max; extern int min_free_kbytes; extern int pid_max_min, pid_max_max; @@ -177,8 +179,10 @@ static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +#ifdef CONFIG_COREDUMP static int proc_dostring_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +#endif #ifdef CONFIG_MAGIC_SYSRQ /* Note: sysrq code uses it's own private copy */ @@ -252,9 +256,11 @@ static int min_sched_granularity_ns = 100000; /* 100 usecs */ static int max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */ static int min_wakeup_granularity_ns; /* 0 usecs */ static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */ +#ifdef CONFIG_SMP static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE; static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1; -#endif +#endif /* CONFIG_SMP */ +#endif /* CONFIG_SCHED_DEBUG */ #ifdef CONFIG_COMPACTION static int min_extfrag_threshold; @@ -297,6 +303,7 @@ static struct ctl_table kern_table[] = { .extra1 = &min_wakeup_granularity_ns, .extra2 = &max_wakeup_granularity_ns, }, +#ifdef CONFIG_SMP { .procname = "sched_tunable_scaling", .data = &sysctl_sched_tunable_scaling, @@ -307,7 +314,7 @@ static struct ctl_table kern_table[] = { .extra2 = &max_sched_tunable_scaling, }, { - .procname = "sched_migration_cost", + .procname = "sched_migration_cost_ns", .data = &sysctl_sched_migration_cost, .maxlen = sizeof(unsigned int), .mode = 0644, @@ -321,14 +328,14 @@ static struct ctl_table kern_table[] = { .proc_handler = proc_dointvec, }, { - .procname = "sched_time_avg", + .procname = "sched_time_avg_ms", .data = &sysctl_sched_time_avg, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { - .procname = "sched_shares_window", + .procname = "sched_shares_window_ns", .data = &sysctl_sched_shares_window, .maxlen = sizeof(unsigned int), .mode = 0644, @@ -343,7 +350,45 @@ static struct ctl_table kern_table[] = { .extra1 = &zero, .extra2 = &one, }, -#endif +#endif /* CONFIG_SMP */ +#ifdef CONFIG_NUMA_BALANCING + { + .procname = "numa_balancing_scan_delay_ms", + .data = &sysctl_numa_balancing_scan_delay, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { + .procname = "numa_balancing_scan_period_min_ms", + .data = &sysctl_numa_balancing_scan_period_min, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { + .procname = "numa_balancing_scan_period_reset", + .data = &sysctl_numa_balancing_scan_period_reset, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { + .procname = "numa_balancing_scan_period_max_ms", + .data = &sysctl_numa_balancing_scan_period_max, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { + .procname = "numa_balancing_scan_size_mb", + .data = &sysctl_numa_balancing_scan_size, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, +#endif /* CONFIG_NUMA_BALANCING */ +#endif /* CONFIG_SCHED_DEBUG */ { .procname = "sched_rt_period_us", .data = &sysctl_sched_rt_period, @@ -404,6 +449,7 @@ static struct ctl_table kern_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, +#ifdef CONFIG_COREDUMP { .procname = "core_uses_pid", .data = &core_uses_pid, @@ -425,6 +471,7 @@ static struct ctl_table kern_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, +#endif #ifdef CONFIG_PROC_SYSCTL { .procname = "tainted", @@ -559,7 +606,7 @@ static struct ctl_table kern_table[] = { .extra2 = &one, }, #endif -#ifdef CONFIG_HOTPLUG + { .procname = "hotplug", .data = &uevent_helper, @@ -567,7 +614,7 @@ static struct ctl_table kern_table[] = { .mode = 0644, .proc_handler = proc_dostring, }, -#endif + #ifdef CONFIG_CHR_DEV_SG { .procname = "sg-big-buff", @@ -1543,8 +1590,7 @@ static struct ctl_table fs_table[] = { }; static struct ctl_table debug_table[] = { -#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || \ - defined(CONFIG_S390) || defined(CONFIG_TILE) +#ifdef CONFIG_SYSCTL_EXCEPTION_TRACE { .procname = "exception-trace", .data = &show_unhandled_signals, @@ -2036,12 +2082,14 @@ int proc_dointvec_minmax(struct ctl_table *table, int write, static void validate_coredump_safety(void) { +#ifdef CONFIG_COREDUMP if (suid_dumpable == SUID_DUMPABLE_SAFE && core_pattern[0] != '/' && core_pattern[0] != '|') { printk(KERN_WARNING "Unsafe core_pattern used with "\ "suid_dumpable=2. Pipe handler or fully qualified "\ "core dump path required.\n"); } +#endif } static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, @@ -2053,6 +2101,7 @@ static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, return error; } +#ifdef CONFIG_COREDUMP static int proc_dostring_coredump(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { @@ -2061,6 +2110,7 @@ static int proc_dostring_coredump(struct ctl_table *table, int write, validate_coredump_safety(); return error; } +#endif static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int write, void __user *buffer, |