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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt15
1 files changed, 8 insertions, 7 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 9e69ec54b7d3..49666cda3821 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3595,7 +3595,14 @@
Set required age in jiffies for a
given grace period before RCU starts
soliciting quiescent-state help from
- rcu_note_context_switch().
+ rcu_note_context_switch(). If not specified, the
+ kernel will calculate a value based on the most
+ recent settings of rcutree.jiffies_till_first_fqs
+ and rcutree.jiffies_till_next_fqs.
+ This calculated value may be viewed in
+ rcutree.jiffies_to_sched_qs. Any attempt to
+ set rcutree.jiffies_to_sched_qs will be
+ cheerfully overwritten.
rcutree.jiffies_till_first_fqs= [KNL]
Set delay from grace-period initialization to
@@ -3863,12 +3870,6 @@
rcupdate.rcu_self_test= [KNL]
Run the RCU early boot self tests
- rcupdate.rcu_self_test_bh= [KNL]
- Run the RCU bh early boot self tests
-
- rcupdate.rcu_self_test_sched= [KNL]
- Run the RCU sched early boot self tests
-
rdinit= [KNL]
Format: <full_path>
Run specified binary instead of /init from the ramdisk,