How to compile vanilla kernel in CentOS

If you find this error message, Try CONFIG_SYSFS_DEPRECATED_V2=y into your .config.

mount: could not find filesystem '/dev'root' x83
setuproot: moving /dev failed: No such file or directory
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
switchroot: mount failed: No such file or directory
Kernel panic - not syncing: Attempted to kill init!