> Because this is done the right way (i.e. to allocate an hugepage at > the first wp fault, and to fallback exclusively if compaction fails) > it will help much less than the 4k zero pages if the zero pages are The main benefit is that you have a zero page with THP enabled. So it lowers the cost of having THP on (for workloads that benefit from a zero page) -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>