Make 0xa0000 - 0x10000 a "gap" in the e820 map.

Declaring memory between 0xa0000 - 0x10000 confuses windows, so don't
    do that.
Add capability to remove mappings in the memory mapping code.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/memmap.h b/src/memmap.h
index c0cdca59..b5e1d0d1 100644
--- a/src/memmap.h
+++ b/src/memmap.h
@@ -8,6 +8,7 @@
 #define E820_ACPI         3
 #define E820_NVS          4
 #define E820_UNUSABLE     5
+#define E820_HOLE         ((u32)-1) // Useful for removing entries
 
 struct e820entry {
     u64 start;