/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_X86_MMAN_H #define _ASM_X86_MMAN_H #define MAP_32BIT 0x40 /* only give out 32bit addresses */ #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 #endif /* _ASM_X86_MMAN_H */