On Wed, Jul 06, 2022 at 04:57:33PM +0800, Tianyu Lan wrote: > Swiotlb_init() is called in the mem_init() of different architects and > memblock free pages are released to the buddy allocator just after > calling swiotlb_init() via memblock_free_all(). Yes. > The mem_init() is called before smp_init(). But why would that matter? cpu_possible_map is set up from setup_arch(), which is called before that.
