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 
9 static inline void arch_dup_mmap(struct mm_struct *oldmm,
10 				 struct mm_struct *mm)
11 {
12 }
13 
14 static inline void arch_exit_mmap(struct mm_struct *mm)
15 {
16 }
17 
18 static inline void arch_unmap(struct mm_struct *mm,
19 			struct vm_area_struct *vma,
20 			unsigned long start, unsigned long end)
21 {
22 }
23 
24 static inline void arch_bprm_mm_init(struct mm_struct *mm,
25 				     struct vm_area_struct *vma)
26 {
27 }
28 
29 static 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 #endif	/* _ASM_GENERIC_MM_HOOKS_H */
36