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doc: document the relax_domain_level kernel boot argument

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Document the kernel boot parameter: relax_domain_level=.

Signed-off-by: Paul Jackson <pj@sgi.com>
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Paul Jackson 2008-07-04 10:00:09 -07:00 committed by Linus Torvalds
parent d823f6bfec
commit 46b6d94eb0
2 changed files with 7 additions and 0 deletions
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3
Documentation/cpusets.txt
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@ -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

4
Documentation/kernel-parameters.txt
View 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]