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| author | Paul Jackson <pj@sgi.com> | 2008-07-04 10:00:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-04 10:40:10 -0700 |
| commit | 46b6d94eb04a718730c73b83db889341aad0515e (patch) | |
| tree | cfa10eebe04cc0924d451496f2d79156e9d4b97c /Documentation | |
| parent | d823f6bfec2844493c05961133895de21fa0e02d (diff) | |
| download | linux-46b6d94eb04a718730c73b83db889341aad0515e.tar.gz | |
doc: document the relax_domain_level kernel boot argument
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/cpusets.txt | 3 | ||||
| -rw-r--r-- | Documentation/kernel-parameters.txt | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt index 894b844153ea..1f5a924d1e56 100644 --- a/Documentation/cpusets.txt +++ b/Documentation/cpusets.txt @@ -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] ) ( 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 belongs to. Therefore if the flag 'sched_load_balance' of a cpuset is disabled, then 'sched_relax_domain_level' have no effect since diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 85c6f574e267..b52f47d588b4 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1679,6 +1679,10 @@ and is between 256 and 4096 characters. It is defined in the file Format: <reboot_mode>[,<reboot_mode2>[,...]] 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 reservetop= [X86-32] |