Commit:     78f92a82c20a9f66d215f6c6d96fb91c0763ce95
Parent:     4b2d5c049079d342e3e268c162dcecbd7bad1411
Author:     Randy Dunlap <[EMAIL PROTECTED]>
AuthorDate: Sat Feb 17 19:58:30 2007 +0100
Committer:  Adrian Bunk <[EMAIL PROTECTED]>
CommitDate: Sat Feb 17 19:58:30 2007 +0100

    doc: make doc. for maxcpus= more visible
    Some people are confused about maxcpus=1 and maxcpus=0,
    so put the documentation text from init/main.c into
    Documentation/kernel-parameters.txt also.
    Signed-off-by: Randy Dunlap <[EMAIL PROTECTED]>
    Signed-off-by: Adrian Bunk <[EMAIL PROTECTED]>
 Documentation/kernel-parameters.txt |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/Documentation/kernel-parameters.txt 
index abd575c..f6a3961 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -863,7 +863,14 @@ 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.
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