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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index f22f76b7a138..71ceb6c13c1a 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -145,7 +145,10 @@ static int minolduid;
static int ngroups_max = NGROUPS_MAX;
static const int cap_last_cap = CAP_LAST_CAP;
-/*this is needed for proc_doulongvec_minmax of sysctl_hung_task_timeout_secs */
+/*
+ * This is needed for proc_doulongvec_minmax of sysctl_hung_task_timeout_secs
+ * and hung_task_check_interval_secs
+ */
#ifdef CONFIG_DETECT_HUNG_TASK
static unsigned long hung_task_timeout_max = (LONG_MAX/HZ);
#endif
@@ -222,7 +225,7 @@ static int proc_dopipe_max_size(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
#ifdef CONFIG_MAGIC_SYSRQ
-/* Note: sysrq code uses it's own private copy */
+/* Note: sysrq code uses its own private copy */
static int __sysrq_enabled = CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE;
static int sysrq_sysctl_handler(struct ctl_table *table, int write,
@@ -1091,6 +1094,14 @@ static struct ctl_table kern_table[] = {
.extra2 = &hung_task_timeout_max,
},
{
+ .procname = "hung_task_check_interval_secs",
+ .data = &sysctl_hung_task_check_interval_secs,
+ .maxlen = sizeof(unsigned long),
+ .mode = 0644,
+ .proc_handler = proc_dohung_task_timeout_secs,
+ .extra2 = &hung_task_timeout_max,
+ },
+ {
.procname = "hung_task_warnings",
.data = &sysctl_hung_task_warnings,
.maxlen = sizeof(int),
@@ -1965,13 +1976,13 @@ static void warn_sysctl_write(struct ctl_table *table)
}
/**
- * proc_first_pos_non_zero_ignore - check if firs position is allowed
+ * proc_first_pos_non_zero_ignore - check if first position is allowed
* @ppos: file position
* @table: the sysctl table
*
* Returns true if the first position is non-zero and the sysctl_writes_strict
* mode indicates this is not allowed for numeric input types. String proc
- * hadlers can ignore the return value.
+ * handlers can ignore the return value.
*/
static bool proc_first_pos_non_zero_ignore(loff_t *ppos,
struct ctl_table *table)