diff options
| -rw-r--r-- | arch/x86/xen/setup.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index dc2ca8ad360..e0a39595bde 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -13,6 +13,7 @@ #include <asm/vdso.h> #include <asm/e820.h> #include <asm/setup.h> +#include <asm/acpi.h> #include <asm/xen/hypervisor.h> #include <asm/xen/hypercall.h> @@ -41,8 +42,15 @@ char * __init xen_memory_setup(void) e820.nr_map = 0; - e820_add_region(0, LOWMEMSIZE(), E820_RAM); - e820_add_region(HIGH_MEMORY, PFN_PHYS(max_pfn)-HIGH_MEMORY, E820_RAM); + e820_add_region(0, PFN_PHYS(max_pfn), E820_RAM); + + /* + * Even though this is normal, usable memory under Xen, reserve + * ISA memory anyway because too many things think they can poke + * about in there. + */ + e820_add_region(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, + E820_RESERVED); /* * Reserve Xen bits: |