On Thu, Sep 08, 2022 at 09:23:07AM -0700, Dionna Amalie Glaze wrote: > > > > Looks like the first access to the memory map fails, although I think > > it's not in INIT_LIST_HEAD() but rather in init_page_count(). > > > > I'd start with making sure that page_alloc::memmap_alloc() actually returns > > accepted memory. If you build kernel with CONFIG_DEBUG_VM=y the memory map > > will poisoned in this function, so my guess is it'd crash there. > > > > That's a wonderful hint, thank you! I did not run this test > CONFIG_DEBUG_VM set, but you think it's possible it could still be > here? It depends on how you configured your kernel. Say, defconfig does not set it. -- Sincerely yours, Mike.
