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-rw-r--r--kernel/sysctl.c110
1 files changed, 55 insertions, 55 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 3a45c224770f..0f1bd83db985 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -24,6 +24,7 @@
24#include <linux/slab.h> 24#include <linux/slab.h>
25#include <linux/sysctl.h> 25#include <linux/sysctl.h>
26#include <linux/signal.h> 26#include <linux/signal.h>
27#include <linux/printk.h>
27#include <linux/proc_fs.h> 28#include <linux/proc_fs.h>
28#include <linux/security.h> 29#include <linux/security.h>
29#include <linux/ctype.h> 30#include <linux/ctype.h>
@@ -161,8 +162,6 @@ extern int no_unaligned_warning;
161extern int unaligned_dump_stack; 162extern int unaligned_dump_stack;
162#endif 163#endif
163 164
164extern struct ratelimit_state printk_ratelimit_state;
165
166#ifdef CONFIG_PROC_SYSCTL 165#ifdef CONFIG_PROC_SYSCTL
167static int proc_do_cad_pid(struct ctl_table *table, int write, 166static int proc_do_cad_pid(struct ctl_table *table, int write,
168 void __user *buffer, size_t *lenp, loff_t *ppos); 167 void __user *buffer, size_t *lenp, loff_t *ppos);
@@ -171,7 +170,8 @@ static int proc_taint(struct ctl_table *table, int write,
171#endif 170#endif
172 171
173#ifdef CONFIG_MAGIC_SYSRQ 172#ifdef CONFIG_MAGIC_SYSRQ
174static int __sysrq_enabled; /* Note: sysrq code ises it's own private copy */ 173/* Note: sysrq code uses it's own private copy */
174static int __sysrq_enabled = SYSRQ_DEFAULT_ENABLE;
175 175
176static int sysrq_sysctl_handler(ctl_table *table, int write, 176static int sysrq_sysctl_handler(ctl_table *table, int write,
177 void __user *buffer, size_t *lenp, 177 void __user *buffer, size_t *lenp,
@@ -247,10 +247,6 @@ static struct ctl_table root_table[] = {
247 .mode = 0555, 247 .mode = 0555,
248 .child = dev_table, 248 .child = dev_table,
249 }, 249 },
250/*
251 * NOTE: do not add new entries to this table unless you have read
252 * Documentation/sysctl/ctl_unnumbered.txt
253 */
254 { } 250 { }
255}; 251};
256 252
@@ -261,8 +257,6 @@ static int min_wakeup_granularity_ns; /* 0 usecs */
261static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */ 257static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */
262static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE; 258static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE;
263static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1; 259static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1;
264static int min_sched_shares_ratelimit = 100000; /* 100 usec */
265static int max_sched_shares_ratelimit = NSEC_PER_SEC; /* 1 second */
266#endif 260#endif
267 261
268#ifdef CONFIG_COMPACTION 262#ifdef CONFIG_COMPACTION
@@ -307,15 +301,6 @@ static struct ctl_table kern_table[] = {
307 .extra2 = &max_wakeup_granularity_ns, 301 .extra2 = &max_wakeup_granularity_ns,
308 }, 302 },
309 { 303 {
310 .procname = "sched_shares_ratelimit",
311 .data = &sysctl_sched_shares_ratelimit,
312 .maxlen = sizeof(unsigned int),
313 .mode = 0644,
314 .proc_handler = sched_proc_update_handler,
315 .extra1 = &min_sched_shares_ratelimit,
316 .extra2 = &max_sched_shares_ratelimit,
317 },
318 {
319 .procname = "sched_tunable_scaling", 304 .procname = "sched_tunable_scaling",
320 .data = &sysctl_sched_tunable_scaling, 305 .data = &sysctl_sched_tunable_scaling,
321 .maxlen = sizeof(enum sched_tunable_scaling), 306 .maxlen = sizeof(enum sched_tunable_scaling),
@@ -325,14 +310,6 @@ static struct ctl_table kern_table[] = {
325 .extra2 = &max_sched_tunable_scaling, 310 .extra2 = &max_sched_tunable_scaling,
326 }, 311 },
327 { 312 {
328 .procname = "sched_shares_thresh",
329 .data = &sysctl_sched_shares_thresh,
330 .maxlen = sizeof(unsigned int),
331 .mode = 0644,
332 .proc_handler = proc_dointvec_minmax,
333 .extra1 = &zero,
334 },
335 {
336 .procname = "sched_migration_cost", 313 .procname = "sched_migration_cost",
337 .data = &sysctl_sched_migration_cost, 314 .data = &sysctl_sched_migration_cost,
338 .maxlen = sizeof(unsigned int), 315 .maxlen = sizeof(unsigned int),
@@ -354,6 +331,13 @@ static struct ctl_table kern_table[] = {
354 .proc_handler = proc_dointvec, 331 .proc_handler = proc_dointvec,
355 }, 332 },
356 { 333 {
334 .procname = "sched_shares_window",
335 .data = &sysctl_sched_shares_window,
336 .maxlen = sizeof(unsigned int),
337 .mode = 0644,
338 .proc_handler = proc_dointvec,
339 },
340 {
357 .procname = "timer_migration", 341 .procname = "timer_migration",
358 .data = &sysctl_timer_migration, 342 .data = &sysctl_timer_migration,
359 .maxlen = sizeof(unsigned int), 343 .maxlen = sizeof(unsigned int),
@@ -384,6 +368,17 @@ static struct ctl_table kern_table[] = {
384 .mode = 0644, 368 .mode = 0644,
385 .proc_handler = proc_dointvec, 369 .proc_handler = proc_dointvec,
386 }, 370 },
371#ifdef CONFIG_SCHED_AUTOGROUP
372 {
373 .procname = "sched_autogroup_enabled",
374 .data = &sysctl_sched_autogroup_enabled,
375 .maxlen = sizeof(unsigned int),
376 .mode = 0644,
377 .proc_handler = proc_dointvec,
378 .extra1 = &zero,
379 .extra2 = &one,
380 },
381#endif
387#ifdef CONFIG_PROVE_LOCKING 382#ifdef CONFIG_PROVE_LOCKING
388 { 383 {
389 .procname = "prove_locking", 384 .procname = "prove_locking",
@@ -704,6 +699,24 @@ static struct ctl_table kern_table[] = {
704 .extra1 = &zero, 699 .extra1 = &zero,
705 .extra2 = &ten_thousand, 700 .extra2 = &ten_thousand,
706 }, 701 },
702 {
703 .procname = "dmesg_restrict",
704 .data = &dmesg_restrict,
705 .maxlen = sizeof(int),
706 .mode = 0644,
707 .proc_handler = proc_dointvec_minmax,
708 .extra1 = &zero,
709 .extra2 = &one,
710 },
711 {
712 .procname = "kptr_restrict",
713 .data = &kptr_restrict,
714 .maxlen = sizeof(int),
715 .mode = 0644,
716 .proc_handler = proc_dointvec_minmax,
717 .extra1 = &zero,
718 .extra2 = &two,
719 },
707#endif 720#endif
708 { 721 {
709 .procname = "ngroups_max", 722 .procname = "ngroups_max",
@@ -738,21 +751,21 @@ static struct ctl_table kern_table[] = {
738 .extra1 = &zero, 751 .extra1 = &zero,
739 .extra2 = &one, 752 .extra2 = &one,
740 }, 753 },
741#endif
742#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) && !defined(CONFIG_LOCKUP_DETECTOR)
743 { 754 {
744 .procname = "unknown_nmi_panic", 755 .procname = "nmi_watchdog",
745 .data = &unknown_nmi_panic, 756 .data = &watchdog_enabled,
746 .maxlen = sizeof (int), 757 .maxlen = sizeof (int),
747 .mode = 0644, 758 .mode = 0644,
748 .proc_handler = proc_dointvec, 759 .proc_handler = proc_dowatchdog_enabled,
749 }, 760 },
761#endif
762#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86)
750 { 763 {
751 .procname = "nmi_watchdog", 764 .procname = "unknown_nmi_panic",
752 .data = &nmi_watchdog_enabled, 765 .data = &unknown_nmi_panic,
753 .maxlen = sizeof (int), 766 .maxlen = sizeof (int),
754 .mode = 0644, 767 .mode = 0644,
755 .proc_handler = proc_nmi_enabled, 768 .proc_handler = proc_dointvec,
756 }, 769 },
757#endif 770#endif
758#if defined(CONFIG_X86) 771#if defined(CONFIG_X86)
@@ -956,10 +969,6 @@ static struct ctl_table kern_table[] = {
956 .proc_handler = proc_dointvec, 969 .proc_handler = proc_dointvec,
957 }, 970 },
958#endif 971#endif
959/*
960 * NOTE: do not add new entries to this table unless you have read
961 * Documentation/sysctl/ctl_unnumbered.txt
962 */
963 { } 972 { }
964}; 973};
965 974
@@ -1320,11 +1329,6 @@ static struct ctl_table vm_table[] = {
1320 .extra2 = &one, 1329 .extra2 = &one,
1321 }, 1330 },
1322#endif 1331#endif
1323
1324/*
1325 * NOTE: do not add new entries to this table unless you have read
1326 * Documentation/sysctl/ctl_unnumbered.txt
1327 */
1328 { } 1332 { }
1329}; 1333};
1330 1334
@@ -1340,28 +1344,28 @@ static struct ctl_table fs_table[] = {
1340 .data = &inodes_stat, 1344 .data = &inodes_stat,
1341 .maxlen = 2*sizeof(int), 1345 .maxlen = 2*sizeof(int),
1342 .mode = 0444, 1346 .mode = 0444,
1343 .proc_handler = proc_dointvec, 1347 .proc_handler = proc_nr_inodes,
1344 }, 1348 },
1345 { 1349 {
1346 .procname = "inode-state", 1350 .procname = "inode-state",
1347 .data = &inodes_stat, 1351 .data = &inodes_stat,
1348 .maxlen = 7*sizeof(int), 1352 .maxlen = 7*sizeof(int),
1349 .mode = 0444, 1353 .mode = 0444,
1350 .proc_handler = proc_dointvec, 1354 .proc_handler = proc_nr_inodes,
1351 }, 1355 },
1352 { 1356 {
1353 .procname = "file-nr", 1357 .procname = "file-nr",
1354 .data = &files_stat, 1358 .data = &files_stat,
1355 .maxlen = 3*sizeof(int), 1359 .maxlen = sizeof(files_stat),
1356 .mode = 0444, 1360 .mode = 0444,
1357 .proc_handler = proc_nr_files, 1361 .proc_handler = proc_nr_files,
1358 }, 1362 },
1359 { 1363 {
1360 .procname = "file-max", 1364 .procname = "file-max",
1361 .data = &files_stat.max_files, 1365 .data = &files_stat.max_files,
1362 .maxlen = sizeof(int), 1366 .maxlen = sizeof(files_stat.max_files),
1363 .mode = 0644, 1367 .mode = 0644,
1364 .proc_handler = proc_dointvec, 1368 .proc_handler = proc_doulongvec_minmax,
1365 }, 1369 },
1366 { 1370 {
1367 .procname = "nr_open", 1371 .procname = "nr_open",
@@ -1377,7 +1381,7 @@ static struct ctl_table fs_table[] = {
1377 .data = &dentry_stat, 1381 .data = &dentry_stat,
1378 .maxlen = 6*sizeof(int), 1382 .maxlen = 6*sizeof(int),
1379 .mode = 0444, 1383 .mode = 0444,
1380 .proc_handler = proc_dointvec, 1384 .proc_handler = proc_nr_dentry,
1381 }, 1385 },
1382 { 1386 {
1383 .procname = "overflowuid", 1387 .procname = "overflowuid",
@@ -1480,10 +1484,6 @@ static struct ctl_table fs_table[] = {
1480 .proc_handler = &pipe_proc_fn, 1484 .proc_handler = &pipe_proc_fn,
1481 .extra1 = &pipe_min_size, 1485 .extra1 = &pipe_min_size,
1482 }, 1486 },
1483/*
1484 * NOTE: do not add new entries to this table unless you have read
1485 * Documentation/sysctl/ctl_unnumbered.txt
1486 */
1487 { } 1487 { }
1488}; 1488};
1489 1489
@@ -2893,7 +2893,7 @@ int proc_do_large_bitmap(struct ctl_table *table, int write,
2893 } 2893 }
2894} 2894}
2895 2895
2896#else /* CONFIG_PROC_FS */ 2896#else /* CONFIG_PROC_SYSCTL */
2897 2897
2898int proc_dostring(struct ctl_table *table, int write, 2898int proc_dostring(struct ctl_table *table, int write,
2899 void __user *buffer, size_t *lenp, loff_t *ppos) 2899 void __user *buffer, size_t *lenp, loff_t *ppos)
@@ -2945,7 +2945,7 @@ int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
2945} 2945}
2946 2946
2947 2947
2948#endif /* CONFIG_PROC_FS */ 2948#endif /* CONFIG_PROC_SYSCTL */
2949 2949
2950/* 2950/*
2951 * No sense putting this after each symbol definition, twice, 2951 * No sense putting this after each symbol definition, twice,
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-02 01:48:50 -0400