softlockup: fix signedness
fix softlockup tunables signedness.
mark tunables read-mostly.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index 02f0ad5..c1d7655 100644
--- a/kernel/softlockup.c
+++ b/kernel/softlockup.c
@@ -24,8 +24,8 @@
static DEFINE_PER_CPU(unsigned long, print_timestamp);
static DEFINE_PER_CPU(struct task_struct *, watchdog_task);
-static int did_panic;
-int softlockup_thresh = 60;
+static int __read_mostly did_panic;
+unsigned long __read_mostly softlockup_thresh = 60;
static int
softlock_panic(struct notifier_block *this, unsigned long event, void *ptr)
@@ -121,14 +121,14 @@
/*
* Have a reasonable limit on the number of tasks checked:
*/
-unsigned long sysctl_hung_task_check_count = 1024;
+unsigned long __read_mostly sysctl_hung_task_check_count = 1024;
/*
* Zero means infinite timeout - no checking done:
*/
-unsigned long sysctl_hung_task_timeout_secs = 120;
+unsigned long __read_mostly sysctl_hung_task_timeout_secs = 120;
-long sysctl_hung_task_warnings = 10;
+unsigned long __read_mostly sysctl_hung_task_warnings = 10;
/*
* Only do the hung-tasks check on one CPU: