Edit File: mm_hooks.h
/* * 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 void arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm) { } static inline void arch_exit_mmap(struct mm_struct *mm) { } static inline void arch_unmap(struct mm_struct *mm, struct vm_area_struct *vma, 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; } static inline bool arch_pte_access_permitted(pte_t pte, bool write) { /* by default, allow everything */ return true; } #endif /* _ASM_GENERIC_MM_HOOKS_H */