On Fri, Jun 20, 2014 at 04:11:27PM -0400, Naoya Horiguchi wrote: > Currently no user of page table walker sets ->pgd_entry() or ->pud_entry(), > so checking their existence in each loop is just wasting CPU cycle. > So let's remove it to reduce overhead. > > Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- Kirill A. Shutemov -- 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>