diff options
| author | thegeorg <thegeorg@yandex-team.com> | 2022-12-15 19:25:15 +0300 |
|---|---|---|
| committer | thegeorg <thegeorg@yandex-team.com> | 2022-12-15 19:25:15 +0300 |
| commit | 0c31d97afd7858af5f8f858c8addf91655ca9ccc (patch) | |
| tree | 4d8a246db168f7beaafcd06d486c034115c2123d /contrib/libs/linux-headers/asm/mman_x86.h | |
| parent | d1d5f5e00df0dd6efc00880dd8283477fc643aaf (diff) | |
| download | ydb-0c31d97afd7858af5f8f858c8addf91655ca9ccc.tar.gz | |
Sync linux-headers instead of using system ones
Diffstat (limited to 'contrib/libs/linux-headers/asm/mman_x86.h')
| -rw-r--r-- | contrib/libs/linux-headers/asm/mman_x86.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/contrib/libs/linux-headers/asm/mman_x86.h b/contrib/libs/linux-headers/asm/mman_x86.h new file mode 100644 index 0000000000..d4a8d0424b --- /dev/null +++ b/contrib/libs/linux-headers/asm/mman_x86.h @@ -0,0 +1,31 @@ +/* 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 <asm-generic/mman.h> + +#endif /* _ASM_X86_MMAN_H */ |