Linux CPU 启动加载个数 限制

Edit your grub.conf file:
# vi /boot/grub/grub.conf
Append parameter maxcpus at the end of Kernel line. A the end it should read as follows:
kernel /boot/vmlinuz-***** root=/dev/sda1 ro maxcpus=2
Save and close the file. Reboot system:
# reboot