On Wed, Nov 15, 2023 at 9:34 PM Ilya Leoshkevich <iii@xxxxxxxxxxxxx> wrote: > > KMSAN relies on memblock returning all available pages to it > (see kmsan_memblock_free_pages()). It partitions these pages into 3 > categories: pages available to the buddy allocator, shadow pages and > origin pages. This partitioning is static. > > If new pages appear after kmsan_init_runtime(), it is considered > an error. DEFERRED_STRUCT_PAGE_INIT causes this, so mark it as > incompatible with KMSAN. In the future we could probably collect the deferred pages as well, but it's okay to disable KMSAN for now. > Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>
