> 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". Thanks, Naoya Horiguchi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>