1 files changed, 67 insertions, 9 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 26f65eaa01f9..afc1dc60f3f8 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -61,6 +61,7 @@
 #include <linux/kmod.h>
 #include <linux/capability.h>
 #include <linux/binfmts.h>
+#include <linux/sched/sysctl.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -104,7 +105,6 @@ extern char core_pattern[];
 extern unsigned int core_pipe_limit;
 #endif
 extern int pid_max;
-extern int min_free_kbytes;
 extern int pid_max_min, pid_max_max;
 extern int sysctl_drop_caches;
 extern int percpu_pagelist_fraction;
@@ -157,14 +157,20 @@ extern int sysctl_tsb_ratio;
 
 #ifdef __hppa__
 extern int pwrsw_enabled;
+#endif
+
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW
 extern int unaligned_enabled;
 #endif
 
 #ifdef CONFIG_IA64
-extern int no_unaligned_warning;
 extern int unaligned_dump_stack;
 #endif
 
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
+extern int no_unaligned_warning;
+#endif
+
 #ifdef CONFIG_PROC_SYSCTL
 static int proc_do_cad_pid(struct ctl_table *table, int write,
                   void __user *buffer, size_t *lenp, loff_t *ppos);
@@ -256,9 +262,11 @@ static int min_sched_granularity_ns = 100000;		/* 100 usecs */
 static int max_sched_granularity_ns = NSEC_PER_SEC;     /* 1 second */
 static int min_wakeup_granularity_ns;                   /* 0 usecs */
 static int max_wakeup_granularity_ns = NSEC_PER_SEC;    /* 1 second */
+#ifdef CONFIG_SMP
 static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE;
 static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1;
-#endif
+#endif /* CONFIG_SMP */
+#endif /* CONFIG_SCHED_DEBUG */
 
 #ifdef CONFIG_COMPACTION
 static int min_extfrag_threshold;
@@ -301,6 +309,7 @@ static struct ctl_table kern_table[] = {
                 .extra1         = &min_wakeup_granularity_ns,
                 .extra2         = &max_wakeup_granularity_ns,
         },
+#ifdef CONFIG_SMP
         {
                 .procname       = "sched_tunable_scaling",
                 .data           = &sysctl_sched_tunable_scaling,
@@ -347,7 +356,45 @@ static struct ctl_table kern_table[] = {
                 .extra1         = &zero,
                 .extra2         = &one,
         },
-#endif
+#endif /* CONFIG_SMP */
+#ifdef CONFIG_NUMA_BALANCING
+        {
+                .procname       = "numa_balancing_scan_delay_ms",
+                .data           = &sysctl_numa_balancing_scan_delay,
+                .maxlen         = sizeof(unsigned int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+        {
+                .procname       = "numa_balancing_scan_period_min_ms",
+                .data           = &sysctl_numa_balancing_scan_period_min,
+                .maxlen         = sizeof(unsigned int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+        {
+                .procname       = "numa_balancing_scan_period_reset",
+                .data           = &sysctl_numa_balancing_scan_period_reset,
+                .maxlen         = sizeof(unsigned int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+        {
+                .procname       = "numa_balancing_scan_period_max_ms",
+                .data           = &sysctl_numa_balancing_scan_period_max,
+                .maxlen         = sizeof(unsigned int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+        {
+                .procname       = "numa_balancing_scan_size_mb",
+                .data           = &sysctl_numa_balancing_scan_size,
+                .maxlen         = sizeof(unsigned int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+#endif /* CONFIG_NUMA_BALANCING */
+#endif /* CONFIG_SCHED_DEBUG */
         {
                 .procname       = "sched_rt_period_us",
                 .data           = &sysctl_sched_rt_period,
@@ -362,6 +409,13 @@ static struct ctl_table kern_table[] = {
                 .mode           = 0644,
                 .proc_handler   = sched_rt_handler,
         },
+        {
+                .procname       = "sched_rr_timeslice_ms",
+                .data           = &sched_rr_timeslice,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = sched_rr_handler,
+        },
 #ifdef CONFIG_SCHED_AUTOGROUP
         {
                 .procname       = "sched_autogroup_enabled",
@@ -504,6 +558,8 @@ static struct ctl_table kern_table[] = {
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec,
         },
+#endif
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW
         {
                 .procname       = "unaligned-trap",
                 .data           = &unaligned_enabled,
@@ -565,7 +621,7 @@ static struct ctl_table kern_table[] = {
                 .extra2         = &one,
         },
 #endif
-#ifdef CONFIG_HOTPLUG
+
         {
                 .procname       = "hotplug",
                 .data           = &uevent_helper,
@@ -573,7 +629,7 @@ static struct ctl_table kern_table[] = {
                 .mode           = 0644,
                 .proc_handler   = proc_dostring,
         },
-#endif
+
 #ifdef CONFIG_CHR_DEV_SG
         {
                 .procname       = "sg-big-buff",
@@ -870,7 +926,7 @@ static struct ctl_table kern_table[] = {
                 .proc_handler   = proc_doulongvec_minmax,
         },
 #endif
-#ifdef CONFIG_IA64
+#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
         {
                 .procname       = "ignore-unaligned-usertrap",
                 .data           = &no_unaligned_warning,
@@ -878,6 +934,8 @@ static struct ctl_table kern_table[] = {
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec,
         },
+#endif
+#ifdef CONFIG_IA64
         {
                 .procname       = "unaligned-dump-stack",
                 .data           = &unaligned_dump_stack,
@@ -1965,7 +2023,7 @@ static int proc_taint(struct ctl_table *table, int write,
                 int i;
                 for (i = 0; i < BITS_PER_LONG && tmptaint >> i; i++) {
                         if ((tmptaint >> i) & 1)
-                                add_taint(i);
+                                add_taint(i, LOCKDEP_STILL_OK);
                 }
         }
 
@@ -2042,7 +2100,7 @@ int proc_dointvec_minmax(struct ctl_table *table, int write,
 static void validate_coredump_safety(void)
 {
 #ifdef CONFIG_COREDUMP
-        if (suid_dumpable == SUID_DUMPABLE_SAFE &&
+        if (suid_dumpable == SUID_DUMP_ROOT &&
             core_pattern[0] != '/' && core_pattern[0] != '|') {
                 printk(KERN_WARNING "Unsafe core_pattern used with "\
                         "suid_dumpable=2. Pipe handler or fully qualified "\