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Subject[PATCH] documentation: Update sysfs path for rcu_cpu_stall_timeout
Commit 6bfc09e2327d ("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 96224daa16d6 ("documentation: Update sysfs path for rcu_cpu_stall_suppress")
updated the path for rcu_cpu_stall_suppress, but failed to update for

Signed-off-by: Xie XiuQi <>
Documentation/RCU/stallwarn.txt | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/RCU/stallwarn.txt b/Documentation/RCU/stallwarn.txt
index ef5a2fd..da6a801 100644
--- a/Documentation/RCU/stallwarn.txt
+++ b/Documentation/RCU/stallwarn.txt
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

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