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| author | Andi Kleen <ak@suse.de> | 2006-01-11 22:42:35 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:01:11 -0800 |
| commit | f62a91f6911479642c0018290d4248ace4287648 (patch) | |
| tree | f5d941d1f1dab0bf462795c47fa8b616d31a833f /Documentation | |
| parent | 92934bcbf96bc9dc931c40ca5f1a57685b7b813b (diff) | |
| download | lwn-f62a91f6911479642c0018290d4248ace4287648.tar.gz lwn-f62a91f6911479642c0018290d4248ace4287648.zip | |
[PATCH] x86_64: Don't reserve hotplug CPUs by default
Most users don't need it so no need to waste memory.
This means an user has to specify the appropiate number of
hotplug CPUs on the command line with additional_cpus=...
or fix their BIOS to follow the convention in
Documentation/x86-64/cpu-hotplug-spec
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/x86_64/boot-options.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index e566affeed7f..72ab9b99b22c 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -125,7 +125,7 @@ SMP cpumask=MASK only use cpus with bits set in mask additional_cpus=NUM Allow NUM more CPUs for hotplug - (defaults are specified by the BIOS or half the available CPUs) + (defaults are specified by the BIOS, see Documentation/x86_64/cpu-hotplug-spec) NUMA |