Messages in this thread | | | Date | Mon, 30 Jun 2008 09:10:44 +0200 | From | "Michael Kerrisk" <> | Subject | Re: [PATCH] doc: Document the relax_domain_level kernel boot argument |
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On Mon, Jun 30, 2008 at 8:08 AM, Li Zefan <lizf@cn.fujitsu.com> wrote: > 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.
You are right. (Paul doesn't like apostrophes ;-).)
>> reserve= [KNL,BUGS] Force the kernel to ignore some iomem area >> >> reservetop= [X86-32] >> > > Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> > >
-- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html
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