Release 4.10 arch/x86/include/uapi/asm/mman.h

#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 */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
dave hansen
dave hansen
22
46.81%
2
25.00%
thomas gleixner
thomas gleixner
11
23.40%
2
25.00%
andi kleen
andi kleen
8
17.02%
1
12.50%
arnd bergmann
arnd bergmann
3
6.38%
2
25.00%
h. peter anvin
h. peter anvin
3
6.38%
1
12.50%
Total
47
100.00%
8
100.00%
Directory: arch/x86/include/uapi/asm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.