docs: Update xenstore-paths.markdown with new hvmloader key

Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
CC: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@citrix.com>

diff --git a/docs/misc/xenstore-paths.markdown b/docs/misc/xenstore-paths.markdown
index 535830ee81f5623c88d0e9ebba2b0529a525210a..1c634b529fca5fe49d8d3c1f864914a28dbc5fe5 100644 (file)
--- a/docs/misc/xenstore-paths.markdown
+++ b/docs/misc/xenstore-paths.markdown
@@ -152,6 +152,14 @@ path with an empty value which the guest may choose to overwrite.
 The hexadecimal representation of the address of the domain's
 "generation id".
 
+#### ~/hvmloader/allow-memory-relocate = ("1"|"0") [HVM,INTERNAL]
+
+If the default low MMIO hole (below 4GiB) is not big enough for all
+the devices, this indicates if hvmloader should relocate guest memory
+into the high memory region (above 4GiB).  If "1", hvmloader will
+relocate memory as needed, until 2GiB is reached; if "0", hvmloader
+will not relocate guest memory.
+
 #### ~/hvmloader/bios = ("rombios"|"seabios"|"OVMF") [HVM,INTERNAL]
 
 The BIOS used by this domain.