On 7 Jun 2006, at 22:55, Chris Wright wrote:

 /* Nothing to do if not running in dom0. */
- if (!(xen_start_info->flags & SIF_INITDOMAIN))
+ if (!(xen_start_info->flags & SIF_INITDOMAIN)) {
+ struct e820entry domU_e820 = {
+ .addr = 0,
+ .size = max_pfn << PAGE_SHIFT,
+ .type = E820_RAM,
+ };

Or just do this during normal setup, then it is the base e820 map. I
believe it's already done isn't it?
 memmap.nr_entries = 1;
 map[0].addr = 0ULL;
 map[0].size = xen_start_info->nr_pages << PAGE_SHIFT;
 /* 8MB slack (to balance backend allocations). */
 map[0].size += 8 << 20;
 map[0].type = E820_RAM;
...
 BUG_ON(copy_e820_map(map, (char)memmap.nr_entries) < 0);

 -- Keir
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