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rtmutex: Detect changes in the pi lock chain
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
kernel
/
sysctl.c
diff --git
a/kernel/sysctl.c
b/kernel/sysctl.c
index
49e13e1
..
aae21e8
100644
(file)
--- a/
kernel/sysctl.c
+++ b/
kernel/sysctl.c
@@
-144,6
+144,11
@@
static int min_percpu_pagelist_fract = 8;
static int ngroups_max = NGROUPS_MAX;
static const int cap_last_cap = CAP_LAST_CAP;
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
#ifdef CONFIG_INOTIFY_USER
#include <linux/inotify.h>
#endif
@@
-995,6
+1000,7
@@
static struct ctl_table kern_table[] = {
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_dohung_task_timeout_secs,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_dohung_task_timeout_secs,
+ .extra2 = &hung_task_timeout_max,
},
{
.procname = "hung_task_warnings",
},
{
.procname = "hung_task_warnings",