On Fri, 30 Nov 2018 14:58:09 -0500 Josef Bacik <josef@xxxxxxxxxxxxxx> wrote: > We want to be able to cache the result of a previous loop of a page > fault in the case that we use VM_FAULT_RETRY, Please explain here why we want to do that. > so introduce > handle_mm_fault_cacheable that will take a struct vm_fault directly, add > a ->cached_page field to vm_fault, and add helpers to init/cleanup the > struct vm_fault. > > I've converted x86, other arch's can follow suit if they so wish, it's > relatively straightforward. >