diff options
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 121 |
1 files changed, 114 insertions, 7 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 51f5dac42a00..ddebf3f2affe 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -29,6 +29,7 @@ #include <linux/utsname.h> #include <linux/capability.h> #include <linux/smp_lock.h> +#include <linux/fs.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/kobject.h> @@ -45,13 +46,11 @@ #include <linux/syscalls.h> #include <linux/nfs_fs.h> #include <linux/acpi.h> +#include <linux/reboot.h> #include <asm/uaccess.h> #include <asm/processor.h> -extern int proc_nr_files(ctl_table *table, int write, struct file *filp, - void __user *buffer, size_t *lenp, loff_t *ppos); - #ifdef CONFIG_X86 #include <asm/nmi.h> #include <asm/stacktrace.h> @@ -61,6 +60,7 @@ extern int proc_nr_files(ctl_table *table, int write, struct file *filp, /* External variables not in a header file. */ extern int C_A_D; +extern int print_fatal_signals; extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; extern int sysctl_panic_on_oom; @@ -78,6 +78,7 @@ extern int percpu_pagelist_fraction; extern int compat_log; extern int maps_protect; extern int sysctl_stat_interval; +extern int audit_argv_kb; /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ static int maxolduid = 65535; @@ -160,6 +161,8 @@ extern ctl_table inotify_table[]; int sysctl_legacy_va_layout; #endif +extern int prove_locking; +extern int lock_stat; /* The default sysctl tables: */ @@ -202,7 +205,10 @@ static ctl_table root_table[] = { .mode = 0555, .child = dev_table, }, - +/* + * NOTE: do not add new entries to this table unless you have read + * Documentation/sysctl/ctl_unnumbered.txt + */ { .ctl_name = 0 } }; @@ -278,6 +284,26 @@ static ctl_table kern_table[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, +#ifdef CONFIG_PROVE_LOCKING + { + .ctl_name = CTL_UNNUMBERED, + .procname = "prove_locking", + .data = &prove_locking, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, +#endif +#ifdef CONFIG_LOCK_STAT + { + .ctl_name = CTL_UNNUMBERED, + .procname = "lock_stat", + .data = &lock_stat, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, +#endif { .ctl_name = CTL_UNNUMBERED, .procname = "sched_features", @@ -303,6 +329,16 @@ static ctl_table kern_table[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, +#ifdef CONFIG_AUDITSYSCALL + { + .ctl_name = CTL_UNNUMBERED, + .procname = "audit_argv_kb", + .data = &audit_argv_kb, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, +#endif { .ctl_name = KERN_CORE_PATTERN, .procname = "core_pattern", @@ -340,6 +376,14 @@ static ctl_table kern_table[] = { .proc_handler = &proc_dointvec, }, #endif + { + .ctl_name = CTL_UNNUMBERED, + .procname = "print-fatal-signals", + .data = &print_fatal_signals, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, #ifdef __sparc__ { .ctl_name = KERN_SPARC_REBOOT, @@ -649,7 +693,7 @@ static ctl_table kern_table[] = { { .ctl_name = KERN_ACPI_VIDEO_FLAGS, .procname = "acpi_video_flags", - .data = &acpi_video_flags, + .data = &acpi_realmode_flags, .maxlen = sizeof (unsigned long), .mode = 0644, .proc_handler = &proc_doulongvec_minmax, @@ -695,13 +739,26 @@ static ctl_table kern_table[] = { .proc_handler = &proc_dointvec, }, #endif - + { + .ctl_name = CTL_UNNUMBERED, + .procname = "poweroff_cmd", + .data = &poweroff_cmd, + .maxlen = POWEROFF_CMD_PATH_LEN, + .mode = 0644, + .proc_handler = &proc_dostring, + .strategy = &sysctl_string, + }, +/* + * NOTE: do not add new entries to this table unless you have read + * Documentation/sysctl/ctl_unnumbered.txt + */ { .ctl_name = 0 } }; /* Constants for minimum and maximum testing in vm_table. We use these as one-element integer vectors. */ static int zero; +static int two = 2; static int one_hundred = 100; @@ -814,6 +871,14 @@ static ctl_table vm_table[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, + { + .ctl_name = CTL_UNNUMBERED, + .procname = "hugepages_treat_as_movable", + .data = &hugepages_treat_as_movable, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &hugetlb_treat_movable_handler, + }, #endif { .ctl_name = VM_LOWMEM_RESERVE_RATIO, @@ -949,6 +1014,27 @@ static ctl_table vm_table[] = { .strategy = &sysctl_jiffies, }, #endif +#ifdef CONFIG_SECURITY + { + .ctl_name = CTL_UNNUMBERED, + .procname = "mmap_min_addr", + .data = &mmap_min_addr, + .maxlen = sizeof(unsigned long), + .mode = 0644, + .proc_handler = &proc_doulongvec_minmax, + }, +#ifdef CONFIG_NUMA + { + .ctl_name = CTL_UNNUMBERED, + .procname = "numa_zonelist_order", + .data = &numa_zonelist_order, + .maxlen = NUMA_ZONELIST_ORDER_LEN, + .mode = 0644, + .proc_handler = &numa_zonelist_order_handler, + .strategy = &sysctl_string, + }, +#endif +#endif #if defined(CONFIG_X86_32) || \ (defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) { @@ -962,6 +1048,10 @@ static ctl_table vm_table[] = { .extra1 = &zero, }, #endif +/* + * NOTE: do not add new entries to this table unless you have read + * Documentation/sysctl/ctl_unnumbered.txt + */ { .ctl_name = 0 } }; @@ -1059,7 +1149,10 @@ static ctl_table fs_table[] = { .data = &lease_break_time, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &zero, + .extra2 = &two, }, { .ctl_name = FS_AIO_NR, @@ -1102,10 +1195,24 @@ static ctl_table fs_table[] = { .child = binfmt_misc_table, }, #endif +/* + * NOTE: do not add new entries to this table unless you have read + * Documentation/sysctl/ctl_unnumbered.txt + */ { .ctl_name = 0 } }; static ctl_table debug_table[] = { +#ifdef CONFIG_X86 + { + .ctl_name = CTL_UNNUMBERED, + .procname = "exception-trace", + .data = &show_unhandled_signals, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec + }, +#endif { .ctl_name = 0 } }; |