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Commit 36bc251b authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge
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xen: make sure xen_extra_mem_start is beyond all non-RAM e820



If Xen gives us non-RAM E820 entries (dom0 only, typically), then
make sure the extra RAM region is beyond them.  It's OK for
the extra space to grow into E820 regions, however.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent 42ee1471
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+2 −1
Original line number Diff line number Diff line
@@ -167,7 +167,8 @@ char * __init xen_memory_setup(void)

				extra_pages += PFN_DOWN(end - mem_end);
			}
		}
		} else if (map[i].type != E820_RAM)
			xen_extra_mem_start = end;
		if (map[i].size > 0)
			e820_add_region(map[i].addr, map[i].size, map[i].type);
	}