On 26/2/21 12:21 am, Muchun Song wrote: > Move bootmem info registration common API to individual bootmem_info.c. > And we will use {get,put}_page_bootmem() to initialize the page for the > vmemmap pages or free the vmemmap pages to buddy in the later patch. > So move them out of CONFIG_MEMORY_HOTPLUG_SPARSE. This is just code > movement without any functional change. > > Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > Acked-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> > Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> > Reviewed-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> ... > diff --git a/mm/bootmem_info.c b/mm/bootmem_info.c > new file mode 100644 > index 000000000000..fcab5a3f8cc0 > --- /dev/null > +++ b/mm/bootmem_info.c > @@ -0,0 +1,124 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * linux/mm/bootmem_info.c > + * > + * Copyright (C) Looks like incomplete Balbir Singh