1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap
 4 * and arch_unmap to be included in asm-FOO/mmu_context.h for any
 5 * arch FOO which doesn't need to hook these.
 6 */
 7#ifndef _ASM_GENERIC_MM_HOOKS_H
 8#define _ASM_GENERIC_MM_HOOKS_H
 9
10static inline int arch_dup_mmap(struct mm_struct *oldmm,
11				struct mm_struct *mm)
12{
13	return 0;
14}
15
16static inline void arch_exit_mmap(struct mm_struct *mm)
17{
18}
19
20static inline void arch_unmap(struct mm_struct *mm,
 
21			unsigned long start, unsigned long end)
22{
23}
24
25static inline void arch_bprm_mm_init(struct mm_struct *mm,
26				     struct vm_area_struct *vma)
27{
28}
29
30static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
31		bool write, bool execute, bool foreign)
 
 
 
 
 
 
32{
33	/* by default, allow everything */
34	return true;
35}
36#endif	/* _ASM_GENERIC_MM_HOOKS_H */

 
 1/*
 2 * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap
 3 * and arch_unmap to be included in asm-FOO/mmu_context.h for any
 4 * arch FOO which doesn't need to hook these.
 5 */
 6#ifndef _ASM_GENERIC_MM_HOOKS_H
 7#define _ASM_GENERIC_MM_HOOKS_H
 8
 9static inline void arch_dup_mmap(struct mm_struct *oldmm,
10				 struct mm_struct *mm)
11{
 
12}
13
14static inline void arch_exit_mmap(struct mm_struct *mm)
15{
16}
17
18static inline void arch_unmap(struct mm_struct *mm,
19			struct vm_area_struct *vma,
20			unsigned long start, unsigned long end)
21{
22}
23
24static inline void arch_bprm_mm_init(struct mm_struct *mm,
25				     struct vm_area_struct *vma)
26{
27}
28
29static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
30		bool write, bool execute, bool foreign)
31{
32	/* by default, allow everything */
33	return true;
34}
35
36static inline bool arch_pte_access_permitted(pte_t pte, bool write)
37{
38	/* by default, allow everything */
39	return true;
40}
41#endif	/* _ASM_GENERIC_MM_HOOKS_H */