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authorPaul Jackson <pj@sgi.com>2008-07-04 13:00:09 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-04 13:40:10 -0400
commit46b6d94eb04a718730c73b83db889341aad0515e (patch)
treecfa10eebe04cc0924d451496f2d79156e9d4b97c /Documentation
parentd823f6bfec2844493c05961133895de21fa0e02d (diff)
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.txt3
-rw-r--r--Documentation/kernel-parameters.txt4
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.
546 ( 4 : search nodes in a chunk of node [on NUMA system] ) 546 ( 4 : search nodes in a chunk of node [on NUMA system] )
547 ( 5 : search system wide [on NUMA system] ) 547 ( 5 : search system wide [on NUMA system] )
548 548
549The system default is architecture dependent. The system default
550can be changed using the relax_domain_level= boot parameter.
551
549This file is per-cpuset and affect the sched domain where the cpuset 552This file is per-cpuset and affect the sched domain where the cpuset
550belongs to. Therefore if the flag 'sched_load_balance' of a cpuset 553belongs to. Therefore if the flag 'sched_load_balance' of a cpuset
551is disabled, then 'sched_relax_domain_level' have no effect since 554is 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
1679 Format: <reboot_mode>[,<reboot_mode2>[,...]] 1679 Format: <reboot_mode>[,<reboot_mode2>[,...]]
1680 See arch/*/kernel/reboot.c or arch/*/kernel/process.c 1680 See arch/*/kernel/reboot.c or arch/*/kernel/process.c
1681 1681
1682 relax_domain_level=
1683 [KNL, SMP] Set scheduler's default relax_domain_level.
1684 See Documentation/cpusets.txt.
1685
1682 reserve= [KNL,BUGS] Force the kernel to ignore some iomem area 1686 reserve= [KNL,BUGS] Force the kernel to ignore some iomem area
1683 1687
1684 reservetop= [X86-32] 1688 reservetop= [X86-32]