su root rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org yum install http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm yum --enablerepo=elrepo-kernel install kernel-ml reboot
yum remove kernel-ml原文:http://imcn.me/html/y2015/23843.html