mm: sched: numa: Implement slow start for working set sampling

[platform/adaptation/renesas_rcar/renesas_kernel.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c2a2f80..48a68cc 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -256,9 +256,11 @@ 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 +303,7 @@ 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 +350,38 @@ 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_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,
@@ -1549,8 +1583,7 @@ static struct ctl_table fs_table[] = {
 };
 
 static struct ctl_table debug_table[] = {
-#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || \
-    defined(CONFIG_S390) || defined(CONFIG_TILE) || defined(CONFIG_ARM64)
+#ifdef CONFIG_SYSCTL_EXCEPTION_TRACE
        {
                .procname       = "exception-trace",
                .data           = &show_unhandled_signals,