diff options
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 2e81f5ceead..6dffeb131ad 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -95,6 +95,8 @@ #if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ +extern int sysctl_lazy_vfree_pages; +extern int sysctl_lazy_vfree_tlb_flush_all_threshold; extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; extern int max_threads; @@ -146,6 +148,11 @@ static int min_percpu_pagelist_fract = 8; static int ngroups_max = NGROUPS_MAX; static const int cap_last_cap = CAP_LAST_CAP; +/*this is needed for proc_doulongvec_minmax of sysctl_hung_task_timeout_secs */ +#ifdef CONFIG_DETECT_HUNG_TASK +static unsigned long hung_task_timeout_max = (LONG_MAX/HZ); +#endif + #ifdef CONFIG_INOTIFY_USER #include <linux/inotify.h> #endif @@ -310,6 +317,20 @@ static struct ctl_table kern_table[] = { .extra1 = &min_wakeup_granularity_ns, .extra2 = &max_wakeup_granularity_ns, }, + { + .procname = "sched_yield_sleep_threshold", + .data = &sysctl_sched_yield_sleep_threshold, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { + .procname = "sched_yield_sleep_duration", + .data = &sysctl_sched_yield_sleep_duration, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, #ifdef CONFIG_SMP { .procname = "sched_tunable_scaling", @@ -968,6 +989,7 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = proc_dohung_task_timeout_secs, + .extra2 = &hung_task_timeout_max, }, { .procname = "hung_task_warnings", @@ -1045,6 +1067,16 @@ static struct ctl_table kern_table[] = { .maxlen = sizeof(sysctl_perf_event_sample_rate), .mode = 0644, .proc_handler = perf_proc_update_handler, + .extra1 = &one, + }, + { + .procname = "perf_cpu_time_max_percent", + .data = &sysctl_perf_cpu_time_max_percent, + .maxlen = sizeof(sysctl_perf_cpu_time_max_percent), + .mode = 0644, + .proc_handler = perf_cpu_time_max_percent_handler, + .extra1 = &zero, + .extra2 = &one_hundred, }, #endif #ifdef CONFIG_KMEMCHECK @@ -1070,6 +1102,20 @@ static struct ctl_table kern_table[] = { static struct ctl_table vm_table[] = { { + .procname = "lazy_vfree_pages", + .data = &sysctl_lazy_vfree_pages, + .maxlen = sizeof(sysctl_lazy_vfree_pages), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { + .procname = "lazy_vfree_tlb_flush_all_threshold", + .data = &sysctl_lazy_vfree_tlb_flush_all_threshold, + .maxlen = sizeof(sysctl_lazy_vfree_tlb_flush_all_threshold), + .mode = 0644, + .proc_handler = proc_dointvec, + }, + { .procname = "overcommit_memory", .data = &sysctl_overcommit_memory, .maxlen = sizeof(sysctl_overcommit_memory), @@ -1655,6 +1701,20 @@ static struct ctl_table fs_table[] = { .proc_handler = &pipe_proc_fn, .extra1 = &pipe_min_size, }, + { + .procname = "pipe-user-pages-hard", + .data = &pipe_user_pages_hard, + .maxlen = sizeof(pipe_user_pages_hard), + .mode = 0644, + .proc_handler = proc_doulongvec_minmax, + }, + { + .procname = "pipe-user-pages-soft", + .data = &pipe_user_pages_soft, + .maxlen = sizeof(pipe_user_pages_soft), + .mode = 0644, + .proc_handler = proc_doulongvec_minmax, + }, { } }; |