On Wed, Aug 09, 2017 at 08:06:24PM -0700, Dan Williams wrote: > I like it, but do you think we should switch to sbvec[<constant>] to > preclude pathological cases where nr_pages is large? Yes, please. Then I'd like to see that the on-stack bio even matters for mpage_readpage / mpage_writepage. Compared to all the buffer head overhead the bio allocation should not actually matter in practice. -- 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>