On 02/07/14 at 03:20pm, H. Peter Anvin wrote: > On 02/07/2014 03:16 PM, Dave Young wrote: > > > > Hi Vivek, > > > > Chaowang <chaowang at redhat.com> is looking into passing setup_data SETUP_E820_EXT > > instead of using exactmap. Previously Thomas Renninger tried passing them in e820. > > I did not find the old thread, but I remember it's not enough because of the > > 128 entries limitation. > > > > THERE IS NO SUCH LIMITATION. > > Only 128 slots fit in struct boot_params, but additional entries can be > added to the setup_data linked list. Ok, I did not describe it right, I actually means the space limit. Thanks for clarifying.