The memory region of MB_BIOS is [MB_BIOS_BEGIN, MB_BIOS_END],
so its memory size should be MB_BIOS_END - MB_BIOS_BEGIN + 1.
Signed-off-by: Sicheng Liu <lsc2001@xxxxxxxxxxx>
---
x86/bios.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86/bios.c b/x86/bios.c
index 5ac9e24ae0a8..380e0aba7129 100644
--- a/x86/bios.c
+++ b/x86/bios.c
@@ -75,7 +75,7 @@ static void e820_setup(struct kvm *kvm)
};
mem_map[i++] = (struct e820entry) {
.addr = MB_BIOS_BEGIN,
- .size = MB_BIOS_END - MB_BIOS_BEGIN,
+ .size = MB_BIOS_END - MB_BIOS_BEGIN + 1,
.type = E820_RESERVED,
};
if (kvm->ram_size < KVM_32BIT_GAP_START) {
--
2.25.1
