1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap
4*4882a593Smuzhiyun * and arch_unmap to be included in asm-FOO/mmu_context.h for any
5*4882a593Smuzhiyun * arch FOO which doesn't need to hook these.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun #ifndef _ASM_GENERIC_MM_HOOKS_H
8*4882a593Smuzhiyun #define _ASM_GENERIC_MM_HOOKS_H
9*4882a593Smuzhiyun
arch_dup_mmap(struct mm_struct * oldmm,struct mm_struct * mm)10*4882a593Smuzhiyun static inline int arch_dup_mmap(struct mm_struct *oldmm,
11*4882a593Smuzhiyun struct mm_struct *mm)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun return 0;
14*4882a593Smuzhiyun }
15*4882a593Smuzhiyun
arch_exit_mmap(struct mm_struct * mm)16*4882a593Smuzhiyun static inline void arch_exit_mmap(struct mm_struct *mm)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun }
19*4882a593Smuzhiyun
arch_unmap(struct mm_struct * mm,unsigned long start,unsigned long end)20*4882a593Smuzhiyun static inline void arch_unmap(struct mm_struct *mm,
21*4882a593Smuzhiyun unsigned long start, unsigned long end)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun
arch_vma_access_permitted(struct vm_area_struct * vma,bool write,bool execute,bool foreign)25*4882a593Smuzhiyun static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
26*4882a593Smuzhiyun bool write, bool execute, bool foreign)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun /* by default, allow everything */
29*4882a593Smuzhiyun return true;
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun #endif /* _ASM_GENERIC_MM_HOOKS_H */
32