1 files changed, 10 insertions, 2 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 9edcf456e0fc..4ce13c3cedb9 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -120,7 +120,6 @@ extern int blk_iopoll_enabled;
 /* Constants used for minimum and  maximum */
 #ifdef CONFIG_LOCKUP_DETECTOR
 static int sixty = 60;
-static int neg_one = -1;
 #endif
 
 static int zero;
@@ -814,7 +813,7 @@ static struct ctl_table kern_table[] = {
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
                 .proc_handler   = proc_dowatchdog,
-                .extra1         = &neg_one,
+                .extra1         = &zero,
                 .extra2         = &sixty,
         },
         {
@@ -1044,6 +1043,15 @@ static struct ctl_table kern_table[] = {
                 .mode           = 0644,
                 .proc_handler   = perf_proc_update_handler,
         },
+        {
+                .procname       = "perf_cpu_time_max_percent",
+                .data           = &sysctl_perf_cpu_time_max_percent,
+                .maxlen         = sizeof(sysctl_perf_cpu_time_max_percent),
+                .mode           = 0644,
+                .proc_handler   = perf_cpu_time_max_percent_handler,
+                .extra1         = &zero,
+                .extra2         = &one_hundred,
+        },
 #endif
 #ifdef CONFIG_KMEMCHECK
         {