localhost linux # make && make module_install
  CHK     include/linux/version.h
  CHK     include/linux/utsrelease.h
  CC      arch/x86_64/kernel/asm-offsets.s
In file included from include/asm/thread_info.h:12,
                 from include/linux/thread_info.h:21,
                 from include/linux/preempt.h:9,
                 from include/linux/spinlock.h:49,
                 from include/linux/module.h:9,
                 from include/linux/crypto.h:21,
                 from arch/x86_64/kernel/asm-offsets.c:7:
include/asm/page.h:89:2: error: #error "CONFIG_PHYSICAL_START must be a multiple of 2MB"
make[1]: *** [arch/x86_64/kernel/asm-offsets.s] Error 1
make: *** [prepare0] Error 2