Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[cascardo/linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c1b9aa8..90f6139 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1097,6 +1097,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        that can be changed at run time by the
                        set_graph_function file in the debugfs tracing directory.
 
+       ftrace_graph_notrace=[function-list]
+                       [FTRACE] Do not trace from the functions specified in
+                       function-list.  This list is a comma separated list of
+                       functions that can be changed at run time by the
+                       set_graph_notrace file in the debugfs tracing directory.
+
        gamecon.map[2|3]=
                        [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                        support via parallel port (up to 5 devices per port)
@@ -2790,6 +2796,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        leaf rcu_node structure.  Useful for very large
                        systems.
 
+       rcutree.jiffies_till_sched_qs= [KNL]
+                       Set required age in jiffies for a
+                       given grace period before RCU starts
+                       soliciting quiescent-state help from
+                       rcu_note_context_switch().
+
        rcutree.jiffies_till_first_fqs= [KNL]
                        Set delay from grace-period initialization to
                        first attempt to force quiescent states.
@@ -2801,6 +2813,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        quiescent states.  Units are jiffies, minimum
                        value is one, and maximum value is HZ.
 
+       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.qhimark= [KNL]
                        Set threshold of queued RCU callbacks beyond which
                        batch limiting is disabled.
@@ -3526,7 +3545,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        the allocated input device; If set to 0, video driver
                        will only send out the event without touching backlight
                        brightness level.
-                       default: 0
+                       default: 1
 
        virtio_mmio.device=
                        [VMMIO] Memory mapped virtio (platform) device.