mm_hooks.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Define generic no-op hooks for arch_dup_mmap and arch_exit_mmap
 4 * to be included in asm-FOO/mmu_context.h for any arch FOO which
 5 * 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 bool arch_vma_access_permitted(struct vm_area_struct *vma,
21		bool write, bool execute, bool foreign)
22{
23	/* by default, allow everything */
24	return true;
25}
26#endif	/* _ASM_GENERIC_MM_HOOKS_H */