| #ifndef _ASM_X86_MMAN_H |
| #define _ASM_X86_MMAN_H |
| |
| #define MAP_32BIT 0x40 /* only give out 32bit addresses */ |
| |
| #define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT) |
| #define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT) |
| |
| #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
| /* |
| * Take the 4 protection key bits out of the vma->vm_flags |
| * value and turn them in to the bits that we can put in |
| * to a pte. |
| * |
| * Only override these if Protection Keys are available |
| * (which is only on 64-bit). |
| */ |
| #define arch_vm_get_page_prot(vm_flags) __pgprot( \ |
| ((vm_flags) & VM_PKEY_BIT0 ? _PAGE_PKEY_BIT0 : 0) | \ |
| ((vm_flags) & VM_PKEY_BIT1 ? _PAGE_PKEY_BIT1 : 0) | \ |
| ((vm_flags) & VM_PKEY_BIT2 ? _PAGE_PKEY_BIT2 : 0) | \ |
| ((vm_flags) & VM_PKEY_BIT3 ? _PAGE_PKEY_BIT3 : 0)) |
| |
| #define arch_calc_vm_prot_bits(prot, key) ( \ |
| ((key) & 0x1 ? VM_PKEY_BIT0 : 0) | \ |
| ((key) & 0x2 ? VM_PKEY_BIT1 : 0) | \ |
| ((key) & 0x4 ? VM_PKEY_BIT2 : 0) | \ |
| ((key) & 0x8 ? VM_PKEY_BIT3 : 0)) |
| #endif |
| |
| #include <asm-generic/mman.h> |
| |
| #endif /* _ASM_X86_MMAN_H */ |