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