smp.txt
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上传日期:2013-02-24
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- 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 dep ; 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.