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-rw-r--r--kernel/sched/core.c13
-rw-r--r--kernel/sched/fair.c18
2 files changed, 27 insertions, 4 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index cb2aa2b54c7a..64f9242328a6 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4401,7 +4401,7 @@ static void reset_memory_tiering(void)
}
}
-int sysctl_numa_balancing(struct ctl_table *table, int write,
+static int sysctl_numa_balancing(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
@@ -4528,6 +4528,17 @@ static struct ctl_table sched_core_sysctls[] = {
.proc_handler = sysctl_sched_uclamp_handler,
},
#endif /* CONFIG_UCLAMP_TASK */
+#ifdef CONFIG_NUMA_BALANCING
+ {
+ .procname = "numa_balancing",
+ .data = NULL, /* filled in by handler */
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sysctl_numa_balancing,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_FOUR,
+ },
+#endif /* CONFIG_NUMA_BALANCING */
{}
};
static int __init sched_core_sysctl_init(void)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e4a0b8bd941c..8e029a6460bb 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -178,6 +178,11 @@ int __weak arch_asym_cpu_priority(int cpu)
static unsigned int sysctl_sched_cfs_bandwidth_slice = 5000UL;
#endif
+#ifdef CONFIG_NUMA_BALANCING
+/* Restrict the NUMA promotion throughput (MB/s) for each target node. */
+static unsigned int sysctl_numa_balancing_promote_rate_limit = 65536;
+#endif
+
#ifdef CONFIG_SYSCTL
static struct ctl_table sched_fair_sysctls[] = {
{
@@ -197,6 +202,16 @@ static struct ctl_table sched_fair_sysctls[] = {
.extra1 = SYSCTL_ONE,
},
#endif
+#ifdef CONFIG_NUMA_BALANCING
+ {
+ .procname = "numa_balancing_promote_rate_limit_MBps",
+ .data = &sysctl_numa_balancing_promote_rate_limit,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ },
+#endif /* CONFIG_NUMA_BALANCING */
{}
};
@@ -1094,9 +1109,6 @@ unsigned int sysctl_numa_balancing_scan_delay = 1000;
/* The page with hint page fault latency < threshold in ms is considered hot */
unsigned int sysctl_numa_balancing_hot_threshold = MSEC_PER_SEC;
-/* Restrict the NUMA promotion throughput (MB/s) for each target node. */
-unsigned int sysctl_numa_balancing_promote_rate_limit = 65536;
-
struct numa_group {
refcount_t refcount;