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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-19 13:29:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-19 13:29:02 -0800 |
| commit | 874ff01bd9183ad16495acfd54e93a619d12b8b5 (patch) | |
| tree | e9527e94649fadfa705dae64018e027e51681b88 /Documentation/kernel-parameters.txt | |
| parent | ebbe46f73a11a667df59cb8e58b371c0a35f29d0 (diff) | |
| parent | 86aae08faa0069a559ba543ff3dab33fe95f891b (diff) | |
| download | lwn-874ff01bd9183ad16495acfd54e93a619d12b8b5.tar.gz lwn-874ff01bd9183ad16495acfd54e93a619d12b8b5.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (25 commits)
Documentation/kernel-docs.txt update.
arch/cris: typo in KERN_INFO
Storage class should be before const qualifier
kernel/printk.c: comment fix
update I/O sched Kconfig help texts - CFQ is now default, not AS.
Remove duplicate listing of Cris arch from README
kbuild: more doc. cleanups
doc: make doc. for maxcpus= more visible
drivers/net/eexpress.c: remove duplicate comment
add a help text for BLK_DEV_GENERIC
correct a dead URL in the IP_MULTICAST help text
fix the BAYCOM_SER_HDX help text
fix SCSI_SCAN_ASYNC help text
trivial documentation patch for platform.txt
Fix typos concerning hierarchy
Fix comment typo "spin_lock_irqrestore".
Fix misspellings of "agressive".
drivers/scsi/a100u2w.c: trivial typo patch
Correct trivial typo in log2.h.
Remove useless FIND_FIRST_BIT() macro from cardbus.c.
...
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 35470de14a95..c479d30eeaa3 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -864,7 +864,14 @@ and is between 256 and 4096 characters. It is defined in the file Format: <1-256> maxcpus= [SMP] Maximum number of processors that an SMP kernel - should make use of + should make use of. + Using "nosmp" or "maxcpus=0" will disable SMP + entirely (the MPS table probe still happens, though). + A command-line option of "maxcpus=<NUM>", where <NUM> + is an integer greater than 0, limits the maximum number + of CPUs activated in SMP mode to <NUM>. + Using "maxcpus=1" on an SMP kernel is the trivial + case of an SMP kernel with only one CPU. max_addr=[KMG] [KNL,BOOT,ia64] All physical memory greater than or equal to this physical address is ignored. |