1 files changed, 22 insertions, 13 deletions

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index ae66229238a0..ec0f2b81b81c 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4896,16 +4896,25 @@ static void sd_free_ctl_entry(struct ctl_table **tablep)
         *tablep = NULL;
 }
 
+static int min_load_idx = 0;
+static int max_load_idx = CPU_LOAD_IDX_MAX;
+
 static void
 set_table_entry(struct ctl_table *entry,
                 const char *procname, void *data, int maxlen,
-                umode_t mode, proc_handler *proc_handler)
+                umode_t mode, proc_handler *proc_handler,
+                bool load_idx)
 {
         entry->procname = procname;
         entry->data = data;
         entry->maxlen = maxlen;
         entry->mode = mode;
         entry->proc_handler = proc_handler;
+
+        if (load_idx) {
+                entry->extra1 = &min_load_idx;
+                entry->extra2 = &max_load_idx;
+        }
 }
 
 static struct ctl_table *
@@ -4917,30 +4926,30 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd)
                 return NULL;
 
         set_table_entry(&table[0], "min_interval", &sd->min_interval,
-                sizeof(long), 0644, proc_doulongvec_minmax);
+                sizeof(long), 0644, proc_doulongvec_minmax, false);
         set_table_entry(&table[1], "max_interval", &sd->max_interval,
-                sizeof(long), 0644, proc_doulongvec_minmax);
+                sizeof(long), 0644, proc_doulongvec_minmax, false);
         set_table_entry(&table[2], "busy_idx", &sd->busy_idx,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, true);
         set_table_entry(&table[3], "idle_idx", &sd->idle_idx,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, true);
         set_table_entry(&table[4], "newidle_idx", &sd->newidle_idx,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, true);
         set_table_entry(&table[5], "wake_idx", &sd->wake_idx,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, true);
         set_table_entry(&table[6], "forkexec_idx", &sd->forkexec_idx,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, true);
         set_table_entry(&table[7], "busy_factor", &sd->busy_factor,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, false);
         set_table_entry(&table[8], "imbalance_pct", &sd->imbalance_pct,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, false);
         set_table_entry(&table[9], "cache_nice_tries",
                 &sd->cache_nice_tries,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, false);
         set_table_entry(&table[10], "flags", &sd->flags,
-                sizeof(int), 0644, proc_dointvec_minmax);
+                sizeof(int), 0644, proc_dointvec_minmax, false);
         set_table_entry(&table[11], "name", sd->name,
-                CORENAME_MAX_SIZE, 0444, proc_dostring);
+                CORENAME_MAX_SIZE, 0444, proc_dostring, false);
         /* &table[12] is terminator */
 
         return table;