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-rw-r--r--kernel/sysctl.c36
1 files changed, 25 insertions, 11 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 1a631ba684a4..0dfaa47d7cb6 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -50,7 +50,7 @@
50#include <linux/reboot.h> 50#include <linux/reboot.h>
51#include <linux/ftrace.h> 51#include <linux/ftrace.h>
52#include <linux/slow-work.h> 52#include <linux/slow-work.h>
53#include <linux/perf_counter.h> 53#include <linux/perf_event.h>
54 54
55#include <asm/uaccess.h> 55#include <asm/uaccess.h>
56#include <asm/processor.h> 56#include <asm/processor.h>
@@ -106,6 +106,9 @@ static int __maybe_unused one = 1;
106static int __maybe_unused two = 2; 106static int __maybe_unused two = 2;
107static unsigned long one_ul = 1; 107static unsigned long one_ul = 1;
108static int one_hundred = 100; 108static int one_hundred = 100;
109#ifdef CONFIG_PRINTK
110static int ten_thousand = 10000;
111#endif
109 112
110/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ 113/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
111static unsigned long dirty_bytes_min = 2 * PAGE_SIZE; 114static unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
@@ -722,6 +725,17 @@ static struct ctl_table kern_table[] = {
722 .mode = 0644, 725 .mode = 0644,
723 .proc_handler = &proc_dointvec, 726 .proc_handler = &proc_dointvec,
724 }, 727 },
728 {
729 .ctl_name = CTL_UNNUMBERED,
730 .procname = "printk_delay",
731 .data = &printk_delay_msec,
732 .maxlen = sizeof(int),
733 .mode = 0644,
734 .proc_handler = &proc_dointvec_minmax,
735 .strategy = &sysctl_intvec,
736 .extra1 = &zero,
737 .extra2 = &ten_thousand,
738 },
725#endif 739#endif
726 { 740 {
727 .ctl_name = KERN_NGROUPS_MAX, 741 .ctl_name = KERN_NGROUPS_MAX,
@@ -964,28 +978,28 @@ static struct ctl_table kern_table[] = {
964 .child = slow_work_sysctls, 978 .child = slow_work_sysctls,
965 }, 979 },
966#endif 980#endif
967#ifdef CONFIG_PERF_COUNTERS 981#ifdef CONFIG_PERF_EVENTS
968 { 982 {
969 .ctl_name = CTL_UNNUMBERED, 983 .ctl_name = CTL_UNNUMBERED,
970 .procname = "perf_counter_paranoid", 984 .procname = "perf_event_paranoid",
971 .data = &sysctl_perf_counter_paranoid, 985 .data = &sysctl_perf_event_paranoid,
972 .maxlen = sizeof(sysctl_perf_counter_paranoid), 986 .maxlen = sizeof(sysctl_perf_event_paranoid),
973 .mode = 0644, 987 .mode = 0644,
974 .proc_handler = &proc_dointvec, 988 .proc_handler = &proc_dointvec,
975 }, 989 },
976 { 990 {
977 .ctl_name = CTL_UNNUMBERED, 991 .ctl_name = CTL_UNNUMBERED,
978 .procname = "perf_counter_mlock_kb", 992 .procname = "perf_event_mlock_kb",
979 .data = &sysctl_perf_counter_mlock, 993 .data = &sysctl_perf_event_mlock,
980 .maxlen = sizeof(sysctl_perf_counter_mlock), 994 .maxlen = sizeof(sysctl_perf_event_mlock),
981 .mode = 0644, 995 .mode = 0644,
982 .proc_handler = &proc_dointvec, 996 .proc_handler = &proc_dointvec,
983 }, 997 },
984 { 998 {
985 .ctl_name = CTL_UNNUMBERED, 999 .ctl_name = CTL_UNNUMBERED,
986 .procname = "perf_counter_max_sample_rate", 1000 .procname = "perf_event_max_sample_rate",
987 .data = &sysctl_perf_counter_sample_rate, 1001 .data = &sysctl_perf_event_sample_rate,
988 .maxlen = sizeof(sysctl_perf_counter_sample_rate), 1002 .maxlen = sizeof(sysctl_perf_event_sample_rate),
989 .mode = 0644, 1003 .mode = 0644,
990 .proc_handler = &proc_dointvec, 1004 .proc_handler = &proc_dointvec,
991 }, 1005 },