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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c50
1 files changed, 36 insertions, 14 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 9327a26765c..8a68b244846 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -244,6 +244,10 @@ 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 */
+static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE;
+static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1;
+static int min_sched_shares_ratelimit = 100000; /* 100 usec */
+static int max_sched_shares_ratelimit = NSEC_PER_SEC; /* 1 second */
#endif
static struct ctl_table kern_table[] = {
@@ -260,7 +264,7 @@ static struct ctl_table kern_table[] = {
.data = &sysctl_sched_min_granularity,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = sched_nr_latency_handler,
+ .proc_handler = sched_proc_update_handler,
.extra1 = &min_sched_granularity_ns,
.extra2 = &max_sched_granularity_ns,
},
@@ -269,7 +273,7 @@ static struct ctl_table kern_table[] = {
.data = &sysctl_sched_latency,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = sched_nr_latency_handler,
+ .proc_handler = sched_proc_update_handler,
.extra1 = &min_sched_granularity_ns,
.extra2 = &max_sched_granularity_ns,
},
@@ -278,7 +282,7 @@ static struct ctl_table kern_table[] = {
.data = &sysctl_sched_wakeup_granularity,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
+ .proc_handler = sched_proc_update_handler,
.extra1 = &min_wakeup_granularity_ns,
.extra2 = &max_wakeup_granularity_ns,
},
@@ -287,7 +291,18 @@ static struct ctl_table kern_table[] = {
.data = &sysctl_sched_shares_ratelimit,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = sched_proc_update_handler,
+ .extra1 = &min_sched_shares_ratelimit,
+ .extra2 = &max_sched_shares_ratelimit,
+ },
+ {
+ .procname = "sched_tunable_scaling",
+ .data = &sysctl_sched_tunable_scaling,
+ .maxlen = sizeof(enum sched_tunable_scaling),
+ .mode = 0644,
+ .proc_handler = sched_proc_update_handler,
+ .extra1 = &min_sched_tunable_scaling,
+ .extra2 = &max_sched_tunable_scaling,
},
{
.procname = "sched_shares_thresh",
@@ -298,13 +313,6 @@ static struct ctl_table kern_table[] = {
.extra1 = &zero,
},
{
- .procname = "sched_features",
- .data = &sysctl_sched_features,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
.procname = "sched_migration_cost",
.data = &sysctl_sched_migration_cost,
.maxlen = sizeof(unsigned int),
@@ -1043,7 +1051,7 @@ static struct ctl_table vm_table[] = {
.extra2 = &one_hundred,
},
#ifdef CONFIG_HUGETLB_PAGE
- {
+ {
.procname = "nr_hugepages",
.data = NULL,
.maxlen = sizeof(unsigned long),
@@ -1051,7 +1059,18 @@ static struct ctl_table vm_table[] = {
.proc_handler = hugetlb_sysctl_handler,
.extra1 = (void *)&hugetlb_zero,
.extra2 = (void *)&hugetlb_infinity,
- },
+ },
+#ifdef CONFIG_NUMA
+ {
+ .procname = "nr_hugepages_mempolicy",
+ .data = NULL,
+ .maxlen = sizeof(unsigned long),
+ .mode = 0644,
+ .proc_handler = &hugetlb_mempolicy_sysctl_handler,
+ .extra1 = (void *)&hugetlb_zero,
+ .extra2 = (void *)&hugetlb_infinity,
+ },
+#endif
{
.procname = "hugetlb_shm_group",
.data = &sysctl_hugetlb_shm_group,
@@ -1112,7 +1131,8 @@ static struct ctl_table vm_table[] = {
.data = &sysctl_max_map_count,
.maxlen = sizeof(sysctl_max_map_count),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
},
#else
{
@@ -1194,6 +1214,7 @@ static struct ctl_table vm_table[] = {
.proc_handler = proc_dointvec_jiffies,
},
#endif
+#ifdef CONFIG_MMU
{
.procname = "mmap_min_addr",
.data = &dac_mmap_min_addr,
@@ -1201,6 +1222,7 @@ static struct ctl_table vm_table[] = {
.mode = 0644,
.proc_handler = mmap_min_addr_handler,
},
+#endif
#ifdef CONFIG_NUMA
{
.procname = "numa_zonelist_order",