On 10/01/2012 10:26 AM, Andrea Arcangeli wrote: > >> It is well known that microbenchmarks can be horribly misleading. What >> led to Kirill investigating huge zero page in the first place was the >> fact that some applications/macrobenchmarks benefit, and I think those >> are the right thing to look at. > > The whole point of the two microbenchmarks was to measure the worst > cases for both scenarios and I think that was useful. Real life using > zero pages are going to be somewhere in that range. > ... and I think it would be worthwhile to know which effect dominates (or neither, in which case it doesn't matter). Overall, I'm okay with either as long as we don't lock down 2 MB when there isn't a huge zero page in use. -hpa -- 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>