Viewing file:  mm_hooks.h (854 B) -rw-r--r--
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/* 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 */
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