1/* 2 * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap 3 * and arch_unmap to be included in asm-FOO/mmu_context.h for any 4 * arch FOO which doesn't need to hook these. 5 */ 6#ifndef _ASM_GENERIC_MM_HOOKS_H 7#define _ASM_GENERIC_MM_HOOKS_H 8 9static inline void arch_dup_mmap(struct mm_struct *oldmm, 10 struct mm_struct *mm) 11{ 12} 13 14static inline void arch_exit_mmap(struct mm_struct *mm) 15{ 16} 17 18static inline void arch_unmap(struct mm_struct *mm, 19 struct vm_area_struct *vma, 20 unsigned long start, unsigned long end) 21{ 22} 23 24static inline void arch_bprm_mm_init(struct mm_struct *mm, 25 struct vm_area_struct *vma) 26{ 27} 28 29static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, 30 bool write, bool execute, bool foreign) 31{ 32 /* by default, allow everything */ 33 return true; 34} 35 36static inline bool arch_pte_access_permitted(pte_t pte, bool write) 37{ 38 /* by default, allow everything */ 39 return true; 40} 41#endif /* _ASM_GENERIC_MM_HOOKS_H */ 42