内核版本查看
sysroot/usr/include/linux/version.h
kernel/include/generated/uapi/linux/version.h
#define LINUX_VERSION_CODE 330306 0x50A42 = 5.10.66
#define LINUX_VERSION_CODE 267008 0x41300 = 4.19.00
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c)))