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Diffstat (limited to 'Documentation/smp.txt')
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diff --git a/Documentation/smp.txt b/Documentation/smp.txt new file mode 100644 index 00000000000..82fc50b6305 --- /dev/null +++ b/Documentation/smp.txt @@ -0,0 +1,22 @@ +To set up SMP + +Configure the kernel and answer Y to CONFIG_SMP. + +If you are using LILO, it is handy to have both SMP and non-SMP +kernel images on hand. Edit /etc/lilo.conf to create an entry +for another kernel image called "linux-smp" or something. + +The next time you compile the kernel, when running a SMP kernel, +edit linux/Makefile and change "MAKE=make" to "MAKE=make -jN" +(where N = number of CPU + 1, or if you have tons of memory/swap + you can just use "-j" without a number). Feel free to experiment +with this one. + +Of course you should time how long each build takes :-) +Example: + make config + time -v sh -c 'make clean install modules modules_install' + +If you are using some Compaq MP compliant machines you will need to set +the operating system in the BIOS settings to "Unixware" - don't ask me +why Compaqs don't work otherwise. |