MIN_KERNEL_ALIGN_LG2   16 arch/x86/include/asm/boot.h # define MIN_KERNEL_ALIGN_LG2	PMD_SHIFT
MIN_KERNEL_ALIGN_LG2   18 arch/x86/include/asm/boot.h # define MIN_KERNEL_ALIGN_LG2	(PAGE_SHIFT + THREAD_SIZE_ORDER)