On Fri, Apr 16, 2021 at 12:33:34PM +0200, David Hildenbrand wrote: > IIRC, we have to add the zero shadow first, before touching the memory. This > is also what mm/memremap.c does. > > In mhp_deinit_memmap_on_memory(), you already remove in the proper > (reversed) order :) But looking at online_pages(), we do it after the move_pfn_range_to_zone(), right? AFAIK (I might be well wrong here), memory_notify() will eventually call kasan_add_zero_shadow? So that comes after the move_pfn_range_to_zone? Or is my understanding incorrect? -- Oscar Salvador SUSE L3
