On Fri, 16 Feb 2018, Andi Kleen wrote: > > First performance tests in a virtual enviroment show > > a hackbench improvement by 6% just by increasing > > the page size used by the page allocator to order 3. > > So why is hackbench improving? Is that just for kernel stacks? Less stack overhead. The large the page size the less metadata need to be handled. The freelists get larger and the chance of hitting the per cpu freelist increases. -- 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>
