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authorKefeng Wang <wangkefeng.wang@huawei.com>2022-09-08 14:07:14 +0200
committerLuis Chamberlain <mcgrof@kernel.org>2022-11-21 05:55:26 +0100
commit0dff89c4488f90c01807d9c12023433703206523 (patch)
treeb44cef4a9e2d024c8570590309956c105dba4299
parentMerge tag 'erofs-for-6.1-rc6-fixes' of git://git.kernel.org/pub/scm/linux/ker... (diff)
downloadlinux-0dff89c4488f90c01807d9c12023433703206523.tar.xz
linux-0dff89c4488f90c01807d9c12023433703206523.zip
sched: Move numa_balancing sysctls to its own file
The sysctl_numa_balancing_promote_rate_limit and sysctl_numa_balancing are part of sched, move them to its own file. Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
-rw-r--r--include/linux/sched/sysctl.h6
-rw-r--r--kernel/sched/core.c13
-rw-r--r--kernel/sched/fair.c18
-rw-r--r--kernel/sysctl.c19
4 files changed, 27 insertions, 29 deletions
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index 303ee7dd0c7e..5a64582b086b 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -4,8 +4,6 @@
#include <linux/types.h>
-struct ctl_table;
-
#ifdef CONFIG_DETECT_HUNG_TASK
/* used for hung_task and block/ */
extern unsigned long sysctl_hung_task_timeout_secs;
@@ -27,12 +25,8 @@ enum sched_tunable_scaling {
#ifdef CONFIG_NUMA_BALANCING
extern int sysctl_numa_balancing_mode;
-extern unsigned int sysctl_numa_balancing_promote_rate_limit;
#else
#define sysctl_numa_balancing_mode 0
#endif
-int sysctl_numa_balancing(struct ctl_table *table, int write, void *buffer,
- size_t *lenp, loff_t *ppos);
-
#endif /* _LINUX_SCHED_SYSCTL_H */
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;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 188c305aeb8b..42ac27f1eb19 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1633,25 +1633,6 @@ int proc_do_static_key(struct ctl_table *table, int write,
}
static struct ctl_table kern_table[] = {
-#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,
- },
- {
- .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 */
{
.procname = "panic",
.data = &panic_timeout,