135 extern long uffd_wp_range(struct vm_area_struct *vma,
149 static inline bool is_mergeable_vm_userfaultfd_ctx(struct vm_area_struct *vma,  in is_mergeable_vm_userfaultfd_ctx()  argument
152 	return vma->vm_userfaultfd_ctx.ctx == vm_ctx.ctx;  in is_mergeable_vm_userfaultfd_ctx()
166 static inline bool uffd_disable_huge_pmd_share(struct vm_area_struct *vma)  in uffd_disable_huge_pmd_share()  argument
168 	return vma->vm_flags & (VM_UFFD_WP | VM_UFFD_MINOR);  in uffd_disable_huge_pmd_share()
178 static inline bool uffd_disable_fault_around(struct vm_area_struct *vma)  in uffd_disable_fault_around()  argument
180 	return vma->vm_flags & (VM_UFFD_WP | VM_UFFD_MINOR);  in uffd_disable_fault_around()
183 static inline bool userfaultfd_missing(struct vm_area_struct *vma)  in userfaultfd_missing()  argument
185 	return vma->vm_flags & VM_UFFD_MISSING;  in userfaultfd_missing()
188 static inline bool userfaultfd_wp(struct vm_area_struct *vma)  in userfaultfd_wp()  argument
190 	return vma->vm_flags & VM_UFFD_WP;  in userfaultfd_wp()
193 static inline bool userfaultfd_minor(struct vm_area_struct *vma)  in userfaultfd_minor()  argument
195 	return vma->vm_flags & VM_UFFD_MINOR;  in userfaultfd_minor()
198 static inline bool userfaultfd_pte_wp(struct vm_area_struct *vma,  in userfaultfd_pte_wp()  argument
201 	return userfaultfd_wp(vma) && pte_uffd_wp(pte);  in userfaultfd_pte_wp()
204 static inline bool userfaultfd_huge_pmd_wp(struct vm_area_struct *vma,  in userfaultfd_huge_pmd_wp()  argument
207 	return userfaultfd_wp(vma) && pmd_uffd_wp(pmd);  in userfaultfd_huge_pmd_wp()
210 static inline bool userfaultfd_armed(struct vm_area_struct *vma)  in userfaultfd_armed()  argument
212 	return vma->vm_flags & __VM_UFFD_FLAGS;  in userfaultfd_armed()
215 static inline bool vma_can_userfault(struct vm_area_struct *vma,  in vma_can_userfault()  argument
225 	    (!is_vm_hugetlb_page(vma) && !vma_is_shmem(vma)))  in vma_can_userfault()
241 	if ((vm_flags & VM_UFFD_WP) && !vma_is_anonymous(vma))  in vma_can_userfault()
246 	return vma_is_anonymous(vma) || is_vm_hugetlb_page(vma) ||  in vma_can_userfault()
247 	    vma_is_shmem(vma);  in vma_can_userfault()
250 static inline bool vma_has_uffd_without_event_remap(struct vm_area_struct *vma)  in vma_has_uffd_without_event_remap()  argument
252 	struct userfaultfd_ctx *uffd_ctx = vma->vm_userfaultfd_ctx.ctx;  in vma_has_uffd_without_event_remap()
267 extern bool userfaultfd_remove(struct vm_area_struct *vma,
271 extern int userfaultfd_unmap_prep(struct vm_area_struct *vma,
275 extern bool userfaultfd_wp_unpopulated(struct vm_area_struct *vma);
276 extern bool userfaultfd_wp_async(struct vm_area_struct *vma);
278 void userfaultfd_reset_ctx(struct vm_area_struct *vma);
282 					     struct vm_area_struct *vma,
287 			       struct vm_area_struct *vma,
306 static inline long uffd_wp_range(struct vm_area_struct *vma,  in uffd_wp_range()  argument
313 static inline bool is_mergeable_vm_userfaultfd_ctx(struct vm_area_struct *vma,  in is_mergeable_vm_userfaultfd_ctx()  argument
319 static inline bool userfaultfd_missing(struct vm_area_struct *vma)  in userfaultfd_missing()  argument
324 static inline bool userfaultfd_wp(struct vm_area_struct *vma)  in userfaultfd_wp()  argument
329 static inline bool userfaultfd_minor(struct vm_area_struct *vma)  in userfaultfd_minor()  argument
334 static inline bool userfaultfd_pte_wp(struct vm_area_struct *vma,  in userfaultfd_pte_wp()  argument
340 static inline bool userfaultfd_huge_pmd_wp(struct vm_area_struct *vma,  in userfaultfd_huge_pmd_wp()  argument
347 static inline bool userfaultfd_armed(struct vm_area_struct *vma)  in userfaultfd_armed()  argument
352 static inline int dup_userfaultfd(struct vm_area_struct *vma,  in dup_userfaultfd()  argument
366 static inline void mremap_userfaultfd_prep(struct vm_area_struct *vma,  in mremap_userfaultfd_prep()  argument
378 static inline bool userfaultfd_remove(struct vm_area_struct *vma,  in userfaultfd_remove()  argument
385 static inline int userfaultfd_unmap_prep(struct vm_area_struct *vma,  in userfaultfd_unmap_prep()  argument
397 static inline bool uffd_disable_fault_around(struct vm_area_struct *vma)  in uffd_disable_fault_around()  argument
402 static inline bool userfaultfd_wp_unpopulated(struct vm_area_struct *vma)  in userfaultfd_wp_unpopulated()  argument
407 static inline bool userfaultfd_wp_async(struct vm_area_struct *vma)  in userfaultfd_wp_async()  argument
412 static inline bool vma_has_uffd_without_event_remap(struct vm_area_struct *vma)  in vma_has_uffd_without_event_remap()  argument
419 static inline bool userfaultfd_wp_use_markers(struct vm_area_struct *vma)  in userfaultfd_wp_use_markers()  argument
422 	if (!userfaultfd_wp(vma))  in userfaultfd_wp_use_markers()
426 	if (!vma_is_anonymous(vma))  in userfaultfd_wp_use_markers()
433 	return userfaultfd_wp_unpopulated(vma);  in userfaultfd_wp_use_markers()