softlockup: fix signedness

fix softlockup tunables signedness.

mark tunables read-mostly.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 8 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 5418ef61e16e..8e96558cb8f3 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -772,9 +772,9 @@ static struct ctl_table kern_table[] = {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "softlockup_thresh",
                 .data           = &softlockup_thresh,
-                .maxlen         = sizeof(int),
+                .maxlen         = sizeof(unsigned long),
                 .mode           = 0644,
-                .proc_handler   = &proc_dointvec_minmax,
+                .proc_handler   = &proc_doulongvec_minmax,
                 .strategy       = &sysctl_intvec,
                 .extra1         = &one,
                 .extra2         = &sixty,
@@ -783,27 +783,27 @@ static struct ctl_table kern_table[] = {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "hung_task_check_count",
                 .data           = &sysctl_hung_task_check_count,
-                .maxlen         = sizeof(int),
+                .maxlen         = sizeof(unsigned long),
                 .mode           = 0644,
-                .proc_handler   = &proc_dointvec_minmax,
+                .proc_handler   = &proc_doulongvec_minmax,
                 .strategy       = &sysctl_intvec,
         },
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "hung_task_timeout_secs",
                 .data           = &sysctl_hung_task_timeout_secs,
-                .maxlen         = sizeof(int),
+                .maxlen         = sizeof(unsigned long),
                 .mode           = 0644,
-                .proc_handler   = &proc_dointvec_minmax,
+                .proc_handler   = &proc_doulongvec_minmax,
                 .strategy       = &sysctl_intvec,
         },
         {
                 .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "hung_task_warnings",
                 .data           = &sysctl_hung_task_warnings,
-                .maxlen         = sizeof(int),
+                .maxlen         = sizeof(unsigned long),
                 .mode           = 0644,
-                .proc_handler   = &proc_dointvec_minmax,
+                .proc_handler   = &proc_doulongvec_minmax,
                 .strategy       = &sysctl_intvec,
         },
 #endif