rk3288:pmic:rk808&act8846&ricoh619:fixed msleep to mdelay in shutdown function
[firefly-linux-kernel-4.4.55.git] / kernel / sysctl.c
index 6f562baf5f4aff6077daab4d60f54099e76848dc..3a76d8298ceade6fb3083bf3c53de685d1525d8b 100644 (file)
@@ -146,6 +146,11 @@ static int min_percpu_pagelist_fract = 8;
 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 */
+#ifdef CONFIG_DETECT_HUNG_TASK
+static unsigned long hung_task_timeout_max = (LONG_MAX/HZ);
+#endif
+
 #ifdef CONFIG_INOTIFY_USER
 #include <linux/inotify.h>
 #endif
@@ -968,6 +973,7 @@ static struct ctl_table kern_table[] = {
                .maxlen         = sizeof(unsigned long),
                .mode           = 0644,
                .proc_handler   = proc_dohung_task_timeout_secs,
+               .extra2         = &hung_task_timeout_max,
        },
        {
                .procname       = "hung_task_warnings",