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 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 void arch_unmap(struct mm_struct *mm, 21 struct vm_area_struct *vma, 22 unsigned long start, unsigned long end) 23{ 24} 25 26static inline void arch_bprm_mm_init(struct mm_struct *mm, 27 struct vm_area_struct *vma) 28{ 29} 30 31static 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