X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=23ec96877311e49fc93360a717ceab84d1f64e81;hb=b33e18f61bd18227a456016a77b1a968f5bc1d65;hp=22a4b687ea5b4b3cb9d576bfeffaed813256a795;hpb=04d78e39ee1a7aa3712fce016b37b43a03f810c1;p=karo-tx-linux.git

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 22a4b687ea5b..23ec96877311 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3074,9 +3074,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			cache-to-cache transfer latencies.
 
 	rcutree.rcu_fanout_leaf= [KNL]
-			Increase the number of CPUs assigned to each
-			leaf rcu_node structure.  Useful for very large
-			systems.
+			Change the number of CPUs assigned to each
+			leaf rcu_node structure.  Useful for very
+			large systems, which will choose the value 64,
+			and for NUMA systems with large remote-access
+			latencies, which will choose a value aligned
+			with the appropriate hardware boundaries.
 
 	rcutree.jiffies_till_sched_qs= [KNL]
 			Set required age in jiffies for a