Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / Documentation / admin-guide / kernel-parameters.txt

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 0d2a67e792ed725f91bf28be9ecfb3cb1386fcd4..520dedae715088322a2b3b3bd8a4b3736a1ded45 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3842,12 +3842,13 @@
                        RCU_BOOST is not set, valid values are 0-99 and
                        the default is zero (non-realtime operation).
 
                        RCU_BOOST is not set, valid values are 0-99 and
                        the default is zero (non-realtime operation).
 

-       rcutree.rcu_nocb_leader_stride= [KNL]
-                       Set the number of NOCB kthread groups, which
-                       defaults to the square root of the number of
-                       CPUs.  Larger numbers reduces the wakeup overhead
-                       on the per-CPU grace-period kthreads, but increases
-                       that same overhead on each group's leader.
+       rcutree.rcu_nocb_gp_stride= [KNL]
+                       Set the number of NOCB callback kthreads in
+                       each group, which defaults to the square root
+                       of the number of CPUs.  Larger numbers reduce
+                       the wakeup overhead on the global grace-period
+                       kthread, but increases that same overhead on
+                       each group's NOCB grace-period kthread.

 
        rcutree.qhimark= [KNL]
                        Set threshold of queued RCU callbacks beyond which
 
        rcutree.qhimark= [KNL]
                        Set threshold of queued RCU callbacks beyond which


@@ -4052,6 +4053,10 @@
        rcutorture.verbose= [KNL]
                        Enable additional printk() statements.
 
        rcutorture.verbose= [KNL]
                        Enable additional printk() statements.
 

+       rcupdate.rcu_cpu_stall_ftrace_dump= [KNL]
+                       Dump ftrace buffer after reporting RCU CPU
+                       stall warning.
+

        rcupdate.rcu_cpu_stall_suppress= [KNL]
                        Suppress RCU CPU stall warning messages.
 
        rcupdate.rcu_cpu_stall_suppress= [KNL]
                        Suppress RCU CPU stall warning messages.