Hello. This defines 2 more types for mmap_type in a way to match E820 values. As grub legacy and grub2 both just pass E820 values through it shouldn't be any problem.
-- Regards Vladimir 'φ-coder/phcoder' Serbinenko
=== modified file 'doc/multiboot.texi'
--- doc/multiboot.texi 2010-01-12 16:49:46 +0000
+++ doc/multiboot.texi 2010-01-15 16:52:03 +0000
@@ -817,7 +817,9 @@
can be greater than the minimum of 20 bytes. @samp{base_addr} is the
starting address. @samp{length} is the size of the memory region in bytes.
@samp{type} is the variety of address range represented, where a
-value of 1 indicates available @sc{ram}, and all other values currently
+value of 1 indicates available @sc{ram}, value of 3 indicates usable memory
+holding ACPI information, value of 4 indicates reserved memory which needs to
+be preserved on hibernation and all other values currently
indicated a reserved area.
The map provided is guaranteed to list all standard @sc{ram} that should
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