diff options
Diffstat (limited to 'i386/i386/vm_param.h')
| -rw-r--r-- | i386/i386/vm_param.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/i386/i386/vm_param.h b/i386/i386/vm_param.h index da3126c..3769ef7 100644 --- a/i386/i386/vm_param.h +++ b/i386/i386/vm_param.h @@ -108,6 +108,14 @@ */ #define VM_PAGE_DMA_LIMIT DECL_CONST(0x1000000, UL) +#ifdef MACH_XEN +/* TODO Completely check Xen physical/virtual layout */ +#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) +#else /* MACH_XEN */ #ifdef __LP64__ #define VM_PAGE_MAX_SEGS 4 #define VM_PAGE_DMA32_LIMIT DECL_CONST(0x100000000, UL) @@ -125,6 +133,7 @@ #define VM_PAGE_HIGHMEM_LIMIT DECL_CONST(0xfffff000, UL) #endif /* PAE */ #endif /* __LP64__ */ +#endif /* MACH_XEN */ /* * Physical segment indexes. |