System settings large page

System settings large page

1. modify /etc/default/grub, stay GRUB_CMDLINE_LINUX Add the required default large page information

   # default_hugepagesz=2M hugepagesz=2M hugepages=4096
   *  ~ vim /etc/default/grub
   GRUB_TIMEOUT=5
   GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
   GRUB_DEFAULT=saved
   GRUB_DISABLE_SUBMENU=true
   GRUB_TERMINAL="serial console"
   GRUB_TERMINAL_OUTPUT="serial console"
   GRUB_CMDLINE_LINUX="default_hugepagesz=1G hugepagesz=1G hugepages=128 crashkernel=auto console=ttyS0,115200 console=tty0 panic=5 net.ifnames=0 biosdevname=0 intel_idle.max_cstate=1 intel_pstate=disable"
   GRUB_DISABLE_RECOVERY="true"
   GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
   

2. Make the modification effective in the startup information

   grub2-mkconfig -o /boot/grub2/grub.cfg
   

3. Restart the system sudo reboot

4. View kernel cmdline And confirm whether the default large page is set successfully