diff options
Diffstat (limited to 'i386/i386/vm_param.h')
| -rw-r--r-- | i386/i386/vm_param.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/i386/i386/vm_param.h b/i386/i386/vm_param.h index 1ca6b22c..edd9522c 100644 --- a/i386/i386/vm_param.h +++ b/i386/i386/vm_param.h @@ -122,11 +122,18 @@ #ifdef MACH_XEN /* TODO Completely check Xen physical/virtual layout */ +#ifdef __LP64__ +#define VM_PAGE_MAX_SEGS 4 +#define VM_PAGE_DMA32_LIMIT DECL_CONST(0x100000000, UL) +#define VM_PAGE_DIRECTMAP_LIMIT DECL_CONST(0x400000000000, UL) +#define VM_PAGE_HIGHMEM_LIMIT DECL_CONST(0x10000000000000, ULL) +#else #define VM_PAGE_MAX_SEGS 3 #define VM_PAGE_DIRECTMAP_LIMIT (VM_MAX_KERNEL_ADDRESS \ - VM_MIN_KERNEL_ADDRESS \ - VM_KERNEL_MAP_SIZE) #define VM_PAGE_HIGHMEM_LIMIT DECL_CONST(0x10000000000000, ULL) +#endif #else /* MACH_XEN */ #ifdef __LP64__ #define VM_PAGE_MAX_SEGS 4 |