Messages in this thread | | | Date | Mon, 30 Jun 2008 14:08:49 +0800 | From | Li Zefan <> | Subject | Re: [PATCH] doc: Document the relax_domain_level kernel boot argument |
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Paul Jackson wrote: > From: Paul Jackson <pj@sgi.com> > > Document the kernel boot parameter: relax_domain_level=. > > Signed-off-by: Paul Jackson <pj@sgi.com> > > --- > Documentation/cpusets.txt | 3 +++ > Documentation/kernel-parameters.txt | 4 ++++ > 2 files changed, 7 insertions(+) > > --- 2.6.26-rc5-mm3.orig/Documentation/cpusets.txt 2008-06-27 06:55:34.000000000 -0700 > +++ 2.6.26-rc5-mm3/Documentation/cpusets.txt 2008-06-29 21:49:53.984674621 -0700 > @@ -546,6 +546,9 @@ otherwise initial value -1 that indicate > ( 4 : search nodes in a chunk of node [on NUMA system] ) > ( 5~ : search system wide [on NUMA system]) > > +The system default is 0 (no search). 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 > belongs to. Therefore if the flag 'sched_load_balance' of a cpuset > is disabled, then 'sched_relax_domain_level' have no effect since > --- 2.6.26-rc5-mm3.orig/Documentation/kernel-parameters.txt 2008-06-27 06:28:26.000000000 -0700 > +++ 2.6.26-rc5-mm3/Documentation/kernel-parameters.txt 2008-06-29 21:51:10.477997208 -0700 > @@ -1732,6 +1732,10 @@ and is between 256 and 4096 characters. > Format: <reboot_mode>[,<reboot_mode2>[,...]] > See arch/*/kernel/reboot.c or arch/*/kernel/process.c > > + relax_domain_level= > + [KNL, SMP] Set schedulers default relax_domain_level. > + See Documentation/cpusets.txt. > +
is [KNL,SMP] more consistent ?
and s/schedulers/scheduler's/
but maybe I'm wrong due to my English skill.
> reserve= [KNL,BUGS] Force the kernel to ignore some iomem area > > reservetop= [X86-32] >
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
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