On Tue, Apr 22, 2014 at 2:46 PM, Dave Hansen <dave.hansen@xxxxxxxxx> wrote: > > I just triggered it a second time. It only happens with my debugging > config[1] *and* those two fix patches. It doesn't happen on the vanilla > kernel with lost dirty bit. Ok. So looking at it some more, I'm becoming more and more convinced that we do need to make that set_page_dirty() call in free_pages_and_swap_cache() be a set_page_dirty_lock() instead. Does that make things work for you? Linus -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>