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
arch_dup_mmap(struct mm_struct * oldmm,struct mm_struct * mm)10 static inline int arch_dup_mmap(struct mm_struct *oldmm,
11 struct mm_struct *mm)
12 {
13 return 0;
14 }
15
arch_exit_mmap(struct mm_struct * mm)16 static inline void arch_exit_mmap(struct mm_struct *mm)
17 {
18 }
19
arch_unmap(struct mm_struct * mm,struct vm_area_struct * vma,unsigned long start,unsigned long end)20 static inline void arch_unmap(struct mm_struct *mm,
21 struct vm_area_struct *vma,
22 unsigned long start, unsigned long end)
23 {
24 }
25
arch_bprm_mm_init(struct mm_struct * mm,struct vm_area_struct * vma)26 static inline void arch_bprm_mm_init(struct mm_struct *mm,
27 struct vm_area_struct *vma)
28 {
29 }
30
arch_vma_access_permitted(struct vm_area_struct * vma,bool write,bool execute,bool foreign)31 static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
32 bool write, bool execute, bool foreign)
33 {
34 /* by default, allow everything */
35 return true;
36 }
37 #endif /* _ASM_GENERIC_MM_HOOKS_H */
38