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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 6b16e16428d8..2a7b9d88706b 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -88,12 +88,13 @@ extern int rcutorture_runnable;
88#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */ 88#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
89 89
90/* Constants used for minimum and maximum */ 90/* Constants used for minimum and maximum */
91#if defined(CONFIG_DETECT_SOFTLOCKUP) || defined(CONFIG_HIGHMEM) 91#if defined(CONFIG_HIGHMEM) || defined(CONFIG_DETECT_SOFTLOCKUP)
92static int one = 1; 92static int one = 1;
93#endif 93#endif
94 94
95#ifdef CONFIG_DETECT_SOFTLOCKUP 95#ifdef CONFIG_DETECT_SOFTLOCKUP
96static int sixty = 60; 96static int sixty = 60;
97static int neg_one = -1;
97#endif 98#endif
98 99
99#ifdef CONFIG_MMU 100#ifdef CONFIG_MMU
@@ -110,7 +111,7 @@ static int min_percpu_pagelist_fract = 8;
110 111
111static int ngroups_max = NGROUPS_MAX; 112static int ngroups_max = NGROUPS_MAX;
112 113
113#ifdef CONFIG_KMOD 114#ifdef CONFIG_MODULES
114extern char modprobe_path[]; 115extern char modprobe_path[];
115#endif 116#endif
116#ifdef CONFIG_CHR_DEV_SG 117#ifdef CONFIG_CHR_DEV_SG
@@ -475,7 +476,7 @@ static struct ctl_table kern_table[] = {
475 .proc_handler = &ftrace_enable_sysctl, 476 .proc_handler = &ftrace_enable_sysctl,
476 }, 477 },
477#endif 478#endif
478#ifdef CONFIG_KMOD 479#ifdef CONFIG_MODULES
479 { 480 {
480 .ctl_name = KERN_MODPROBE, 481 .ctl_name = KERN_MODPROBE,
481 .procname = "modprobe", 482 .procname = "modprobe",
@@ -739,13 +740,24 @@ static struct ctl_table kern_table[] = {
739#ifdef CONFIG_DETECT_SOFTLOCKUP 740#ifdef CONFIG_DETECT_SOFTLOCKUP
740 { 741 {
741 .ctl_name = CTL_UNNUMBERED, 742 .ctl_name = CTL_UNNUMBERED,
743 .procname = "softlockup_panic",
744 .data = &softlockup_panic,
745 .maxlen = sizeof(int),
746 .mode = 0644,
747 .proc_handler = &proc_dointvec_minmax,
748 .strategy = &sysctl_intvec,
749 .extra1 = &zero,
750 .extra2 = &one,
751 },
752 {
753 .ctl_name = CTL_UNNUMBERED,
742 .procname = "softlockup_thresh", 754 .procname = "softlockup_thresh",
743 .data = &softlockup_thresh, 755 .data = &softlockup_thresh,
744 .maxlen = sizeof(unsigned long), 756 .maxlen = sizeof(int),
745 .mode = 0644, 757 .mode = 0644,
746 .proc_handler = &proc_doulongvec_minmax, 758 .proc_handler = &proc_dointvec_minmax,
747 .strategy = &sysctl_intvec, 759 .strategy = &sysctl_intvec,
748 .extra1 = &one, 760 .extra1 = &neg_one,
749 .extra2 = &sixty, 761 .extra2 = &sixty,
750 }, 762 },
751 { 763 {