On 10/17/18 at 06:20pm, Chao Fan wrote: > Copy kstrtoull() to 'compressed' directory so that > we can use it to change the address in cmdline from > string to unsigned long long. So you don't like simple_strtoull() in arch/x86/boot/string.c which has been used in boot/compressed/kaslr.c . Why? Are you going to clean up simple_strtoull()?