Re: [BUG] rmap: fix page_address_in_vma() to walk through anon_vma_chain
> mmap_sem page_table_lock > mm/ksm.c: > write_protect_page() hold not hold > replace_page() hold not hold > mm/memory-failure.c: > add_to_kill() not hold hold ^^^^ Sorry, I misread here. This is "not hold".