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-rw-r--r--Documentation/kernel-parameters.txt10
1 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 932b6e2..e639a7b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -526,7 +526,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
coherent_pool=nn[KMG] [ARM,KNL]
Sets the size of memory pool for coherent, atomic dma
- allocations if Contiguous Memory Allocator (CMA) is used.
+ allocations, by default set to 256K.
code_bytes [X86] How many bytes of object code to print
in an oops report.
@@ -1133,7 +1133,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
forcesac
soft
pt [x86, IA-64]
- group_mf [x86, IA-64]
io7= [HW] IO7 for Marvel based alpha systems
@@ -2366,6 +2365,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
Set maximum number of finished RCU callbacks to process
in one batch.
+ rcutree.fanout_leaf= [KNL,BOOT]
+ Increase the number of CPUs assigned to each
+ leaf rcu_node structure. Useful for very large
+ systems.
+
rcutree.qhimark= [KNL,BOOT]
Set threshold of queued
RCU callbacks over which batch limiting is disabled.
@@ -2931,6 +2935,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
initial READ(10) command);
o = CAPACITY_OK (accept the capacity
reported by the device);
+ p = WRITE_CACHE (the device cache is ON
+ by default);
r = IGNORE_RESIDUE (the device reports
bogus residue values);
s = SINGLE_LUN (the device has only one