On Wed, 24 Mar 2010, Andrea Arcangeli wrote: > On Wed, Mar 24, 2010 at 04:03:03PM -0500, Christoph Lameter wrote: > > If a delay is "altered behavior" then we should no longer run reclaim > > because it "alters" the behavior of VM functions. > > You're comparing the speed of ram with speed of disk. If why it's not > acceptable to me isn't clear try booting with mem=100m and I'm sure > you'll get it. Are you talking about the wait for writeback to be complete? Dirty pages can be migrated. With some effort you could avoid the writeback complete wait since you are not actually moving the page. -- 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>