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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt2
-rw-r--r--fs/proc/proc_sysctl.c1
-rw-r--r--kernel/hung_task.c10
3 files changed, 2 insertions, 11 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index d02b9d023660..0c72b5c22416 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1515,7 +1515,7 @@
[KNL] Should the hung task detector generate panics.
Format: <integer>
- A nonzero value instructs the kernel to panic when a
+ A value of 1 instructs the kernel to panic when a
hung task is detected. The default value is controlled
by the CONFIG_BOOTPARAM_HUNG_TASK_PANIC build-time
option. The value selected by this boot parameter can
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 124298168f8b..15030784566c 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -1721,6 +1721,7 @@ struct sysctl_alias {
*/
static const struct sysctl_alias sysctl_aliases[] = {
{"numa_zonelist_order", "vm.numa_zonelist_order" },
+ {"hung_task_panic", "kernel.hung_task_panic" },
{ }
};
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 14a625c16cb3..b22b5eeab3cb 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -63,16 +63,6 @@ static struct task_struct *watchdog_task;
unsigned int __read_mostly sysctl_hung_task_panic =
CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE;
-static int __init hung_task_panic_setup(char *str)
-{
- int rc = kstrtouint(str, 0, &sysctl_hung_task_panic);
-
- if (rc)
- return rc;
- return 1;
-}
-__setup("hung_task_panic=", hung_task_panic_setup);
-
static int
hung_task_panic(struct notifier_block *this, unsigned long event, void *ptr)
{