> Log Message: > Surprisingly enough, the kernel expects the CPU to support large pages > when creating the direct map on amd64. Therefore, the amd64 CPUs that do > not support large pages basically don't work on NetBSD. > > It looks like it has always been this way; add a KASSERT to panic >
> We use only one L4 slot for the direct map, which means that we cannot > map more than 512GB. Panic properly if this limit is reached. thanks for making the failure mode clear. it would be nice to remove this limitation, and support upto at least 16TB of ram. systems with well over 512GB are
On Fri, Jul 01, 2016 at 11:44:05AM +, Maxime Villard wrote: > Log Message: > Use pmap_bootstrap_valloc and pmap_bootstrap_palloc under XEN at least > once, for these not to appear as unused functions (not tested, but I > guess). Maybe __used or ifndef XEN?