On Mon, Sep 30, 2013 at 11:13:00AM +0100, Mel Gorman wrote: > On Tue, Sep 24, 2013 at 04:49:50PM -0700, Andi Kleen wrote: > > > Sigh. A pox on whoever thought up huge pages. > > > > managing 1TB+ of memory in 4K chunks is just insane. > > The question of larger pages is not "if", but only "when". > > > > Remember that there are at least two separate issues there. One is the > handling data in larger granularities than a 4K page and the second is > the TLB, pagetable etc handling. They are not necessarily the same problem. It's the same problem in the end. The hardware is struggling with 4K pages too (both i and d) I expect longer term TLB/page optimization to have far more important than all this NUMA placement work that people spend so much time on. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only -- 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>