On Mon, May 22, 2023 at 12:37:51PM +0200, Ard Biesheuvel wrote: > On Wed, 17 May 2023 at 12:24, Gerd Hoffmann <kra...@redhat.com> wrote: > > > > If PcdUse1GPageTable is not enabled restrict the physical address space > > used to 1TB, to limit the amount of memory needed for identity mapping > > page tables. > > > > The same already happens in case the processor has no support for > > gigabyte pages. > > > > Apologies for the noob question, but does this mean EDK2 maps the > entire address space 1:1, not just the region that as any DRAM in it?
I just saw memory usage and boot time go up. Didn't check whenever that was just the 64-bit mmio area (which recent ovmf scales up with the available address space) or all address space. take care, Gerd -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#105113): https://edk2.groups.io/g/devel/message/105113 Mute This Topic: https://groups.io/mt/98944978/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
