On Mon, Mar 22, 2010 at 05:35:23PM +0100, Johannes Weiner wrote: > That only works if you merely read the tables. If the VMA gets broken > up in the middle of a huge page, you definitely have to map ptes again. > > And as already said, allowing it to happen always-succeeding and > atomically allows to switch users step by step. > > That sure sounds more incremental to me than being required to do > non-trivial adjustments to all the places at once! Exactly! ;) Thanks for your further clarification. Andrea -- 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>