162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap 462306a36Sopenharmony_ci * and arch_unmap to be included in asm-FOO/mmu_context.h for any 562306a36Sopenharmony_ci * arch FOO which doesn't need to hook these. 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci#ifndef _ASM_GENERIC_MM_HOOKS_H 862306a36Sopenharmony_ci#define _ASM_GENERIC_MM_HOOKS_H 962306a36Sopenharmony_ci 1062306a36Sopenharmony_cistatic inline int arch_dup_mmap(struct mm_struct *oldmm, 1162306a36Sopenharmony_ci struct mm_struct *mm) 1262306a36Sopenharmony_ci{ 1362306a36Sopenharmony_ci return 0; 1462306a36Sopenharmony_ci} 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_cistatic inline void arch_exit_mmap(struct mm_struct *mm) 1762306a36Sopenharmony_ci{ 1862306a36Sopenharmony_ci} 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_cistatic inline void arch_unmap(struct mm_struct *mm, 2162306a36Sopenharmony_ci unsigned long start, unsigned long end) 2262306a36Sopenharmony_ci{ 2362306a36Sopenharmony_ci} 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_cistatic inline bool arch_vma_access_permitted(struct vm_area_struct *vma, 2662306a36Sopenharmony_ci bool write, bool execute, bool foreign) 2762306a36Sopenharmony_ci{ 2862306a36Sopenharmony_ci /* by default, allow everything */ 2962306a36Sopenharmony_ci return true; 3062306a36Sopenharmony_ci} 3162306a36Sopenharmony_ci#endif /* _ASM_GENERIC_MM_HOOKS_H */ 32