| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap |
| * and arch_unmap to be included in asm-FOO/mmu_context.h for any |
| * arch FOO which doesn't need to hook these. |
| */ |
| #ifndef _ASM_GENERIC_MM_HOOKS_H |
| #define _ASM_GENERIC_MM_HOOKS_H |
| |
| static inline int arch_dup_mmap(struct mm_struct *oldmm, |
| struct mm_struct *mm) |
| { |
| return 0; |
| } |
| |
| static inline void arch_exit_mmap(struct mm_struct *mm) |
| { |
| } |
| |
| static inline void arch_unmap(struct mm_struct *mm, |
| unsigned long start, unsigned long end) |
| { |
| } |
| |
| static inline void arch_bprm_mm_init(struct mm_struct *mm, |
| struct vm_area_struct *vma) |
| { |
| } |
| |
| static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, |
| bool write, bool execute, bool foreign) |
| { |
| /* by default, allow everything */ |
| return true; |
| } |
| #endif /* _ASM_GENERIC_MM_HOOKS_H */ |
