1 #ifndef _ASM_X86_MMAN_H 2 #define _ASM_X86_MMAN_H 3 4 #define MAP_32BIT 0x40 /* only give out 32bit addresses */ 5 6 #define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT) 7 #define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT) 8 9 #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS 10 /* 11 * Take the 4 protection key bits out of the vma->vm_flags 12 * value and turn them in to the bits that we can put in 13 * to a pte. 14 * 15 * Only override these if Protection Keys are available 16 * (which is only on 64-bit). 17 */ 18 #define arch_vm_get_page_prot(vm_flags) __pgprot( \ 19 ((vm_flags) & VM_PKEY_BIT0 ? _PAGE_PKEY_BIT0 : 0) | \ 20 ((vm_flags) & VM_PKEY_BIT1 ? _PAGE_PKEY_BIT1 : 0) | \ 21 ((vm_flags) & VM_PKEY_BIT2 ? _PAGE_PKEY_BIT2 : 0) | \ 22 ((vm_flags) & VM_PKEY_BIT3 ? _PAGE_PKEY_BIT3 : 0)) 23 24 #define arch_calc_vm_prot_bits(prot, key) ( \ 25 ((key) & 0x1 ? VM_PKEY_BIT0 : 0) | \ 26 ((key) & 0x2 ? VM_PKEY_BIT1 : 0) | \ 27 ((key) & 0x4 ? VM_PKEY_BIT2 : 0) | \ 28 ((key) & 0x8 ? VM_PKEY_BIT3 : 0)) 29 #endif 30 31 #include <asm-generic/mman.h> 32 33 #endif /* _ASM_X86_MMAN_H */ 34
