Commit 46b6d94e authored by Paul Jackson's avatar Paul Jackson Committed by Linus Torvalds

doc: document the relax_domain_level kernel boot argument

Document the kernel boot parameter: relax_domain_level=.
Signed-off-by: default avatarPaul Jackson <pj@sgi.com>
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Reviewed-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d823f6bf
...@@ -546,6 +546,9 @@ otherwise initial value -1 that indicates the cpuset has no request. ...@@ -546,6 +546,9 @@ otherwise initial value -1 that indicates the cpuset has no request.
( 4 : search nodes in a chunk of node [on NUMA system] ) ( 4 : search nodes in a chunk of node [on NUMA system] )
( 5 : search system wide [on NUMA system] ) ( 5 : search system wide [on NUMA system] )
The system default is architecture dependent. The system default
can be changed using the relax_domain_level= boot parameter.
This file is per-cpuset and affect the sched domain where the cpuset This file is per-cpuset and affect the sched domain where the cpuset
belongs to. Therefore if the flag 'sched_load_balance' of a cpuset belongs to. Therefore if the flag 'sched_load_balance' of a cpuset
is disabled, then 'sched_relax_domain_level' have no effect since is disabled, then 'sched_relax_domain_level' have no effect since
......
...@@ -1679,6 +1679,10 @@ and is between 256 and 4096 characters. It is defined in the file ...@@ -1679,6 +1679,10 @@ and is between 256 and 4096 characters. It is defined in the file
Format: <reboot_mode>[,<reboot_mode2>[,...]] Format: <reboot_mode>[,<reboot_mode2>[,...]]
See arch/*/kernel/reboot.c or arch/*/kernel/process.c See arch/*/kernel/reboot.c or arch/*/kernel/process.c
relax_domain_level=
[KNL, SMP] Set scheduler's default relax_domain_level.
See Documentation/cpusets.txt.
reserve= [KNL,BUGS] Force the kernel to ignore some iomem area reserve= [KNL,BUGS] Force the kernel to ignore some iomem area
reservetop= [X86-32] reservetop= [X86-32]
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment