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authorHeiko Carstens <heiko.carstens@de.ibm.com>2008-12-25 13:39:23 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-12-25 13:39:14 +0100
commit2b1a61f0a8c714c96277bf16a823a84bafa1397d (patch)
treea874b7717e33cb408bfd7edff115e8dba83040c2 /Documentation/kernel-parameters.txt
parent9fee8db222a344b9ee407fad9c652ed823690788 (diff)
[S390] cpu topology: introduce kernel parameter
Introduce a topology=[on|off] kernel parameter which allows to switch cpu topology on/off. Default will be off, since it looks like that for some workloards this doesn't behave very well (on s390). Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c9115c1b672..09ede6c90ad 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2252,6 +2252,14 @@ and is between 256 and 4096 characters. It is defined in the file
See comment before function dc390_setup() in
drivers/scsi/tmscsim.c.
+ topology= [S390]
+ Format: {off | on}
+ Specify if the kernel should make use of the cpu
+ topology informations if the hardware supports these.
+ The scheduler will make use of these informations and
+ e.g. base its process migration decisions on it.
+ Default is off.
+
tp720= [HW,PS2]
trix= [HW,OSS] MediaTrix AudioTrix Pro