documentation: Update sysfs path for rcu_cpu_stall_timeout

Commit 6bfc09e232 ("rcu: Provide RCU CPU stall warnings for tiny RCU")
moved the rcu_cpu_stall_timeout module parameter from rcutree.c to
rcupdate.c, but failed to update Documentation/RCU/stallwarn.txt. This
commit therefore repairs this omission.

commit 96224daa16 ("documentation: Update sysfs path for rcu_cpu_stall_suppress")
updated the path for rcu_cpu_stall_suppress, but failed to update for
rcu_cpu_stall_timeout.

Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Xie XiuQi 2014-11-11 12:03:26 +08:00 committed by Paul E. McKenney
parent 734d168013
commit 84596ccbf1

View File

@ -15,7 +15,7 @@ CONFIG_RCU_CPU_STALL_TIMEOUT
21 seconds.
This configuration parameter may be changed at runtime via the
/sys/module/rcutree/parameters/rcu_cpu_stall_timeout, however
/sys/module/rcupdate/parameters/rcu_cpu_stall_timeout, however
this parameter is checked only at the beginning of a cycle.
So if you are 10 seconds into a 40-second stall, setting this
sysfs parameter to (say) five will shorten the timeout for the