On Tue, May 30, 2023 at 05:37:23PM +0800, Baoquan He wrote: > If we want to consolidate code, we can move is_ioremap_addr() to > include/linux/mm.h libe below. Not sure if it's fine. With it, > both kernel/iomem.c and mm/ioremap.c can use is_ioremap_addr(). Can we just add a ne header for this given that no one else really needs it?