449 	struct vm_area_struct *vmap;  in linux_cdev_pager_fault()  local
451 	vmap = linux_cdev_handle_find(vm_obj->handle);  in linux_cdev_pager_fault()
453 	MPASS(vmap != NULL);  in linux_cdev_pager_fault()
454 	MPASS(vmap->vm_private_data == vm_obj->handle);  in linux_cdev_pager_fault()
456 	if (likely(vmap->vm_ops != NULL && offset < vmap->vm_len)) {  in linux_cdev_pager_fault()
457 		vm_paddr_t paddr = IDX_TO_OFF(vmap->vm_pfn) + offset;  in linux_cdev_pager_fault()
491 	struct vm_area_struct *vmap;  in linux_cdev_pager_populate()  local
495 	vmap = linux_cdev_handle_find(vm_obj->handle);  in linux_cdev_pager_populate()
496 	MPASS(vmap != NULL);  in linux_cdev_pager_populate()
497 	MPASS(vmap->vm_private_data == vm_obj->handle);  in linux_cdev_pager_populate()
503 	down_write(&vmap->vm_mm->mmap_sem);  in linux_cdev_pager_populate()
504 	if (unlikely(vmap->vm_ops == NULL)) {  in linux_cdev_pager_populate()
514 		vmf.vma = vmap;  in linux_cdev_pager_populate()
516 		vmap->vm_pfn_count = 0;  in linux_cdev_pager_populate()
517 		vmap->vm_pfn_pcount = &vmap->vm_pfn_count;  in linux_cdev_pager_populate()
518 		vmap->vm_obj = vm_obj;  in linux_cdev_pager_populate()
520 		err = vmap->vm_ops->fault(&vmf);  in linux_cdev_pager_populate()
522 		while (vmap->vm_pfn_count == 0 && err == VM_FAULT_NOPAGE) {  in linux_cdev_pager_populate()
524 			err = vmap->vm_ops->fault(&vmf);  in linux_cdev_pager_populate()
543 		*first = vmap->vm_pfn_first;  in linux_cdev_pager_populate()
544 		*last = *first + vmap->vm_pfn_count - 1;  in linux_cdev_pager_populate()
551 	up_write(&vmap->vm_mm->mmap_sem);  in linux_cdev_pager_populate()
561 linux_cdev_handle_free(struct vm_area_struct *vmap)  in linux_cdev_handle_free()  argument
564 	if (vmap->vm_file != NULL)  in linux_cdev_handle_free()
565 		fput(vmap->vm_file);  in linux_cdev_handle_free()
568 	mmput(vmap->vm_mm);  in linux_cdev_handle_free()
570 	kfree(vmap);  in linux_cdev_handle_free()
574 linux_cdev_handle_remove(struct vm_area_struct *vmap)  in linux_cdev_handle_remove()  argument
577 	TAILQ_REMOVE(&linux_vma_head, vmap, vm_entry);  in linux_cdev_handle_remove()
584 	struct vm_area_struct *vmap;  in linux_cdev_handle_find()  local
587 	TAILQ_FOREACH(vmap, &linux_vma_head, vm_entry) {  in linux_cdev_handle_find()
588 		if (vmap->vm_private_data == handle)  in linux_cdev_handle_find()
592 	return (vmap);  in linux_cdev_handle_find()
609 	struct vm_area_struct *vmap;  in linux_cdev_pager_dtor()  local
611 	vmap = linux_cdev_handle_find(handle);  in linux_cdev_pager_dtor()
612 	MPASS(vmap != NULL);  in linux_cdev_pager_dtor()
618 	linux_cdev_handle_remove(vmap);  in linux_cdev_pager_dtor()
620 	down_write(&vmap->vm_mm->mmap_sem);  in linux_cdev_pager_dtor()
621 	vm_ops = vmap->vm_ops;  in linux_cdev_pager_dtor()
623 		vm_ops->close(vmap);  in linux_cdev_pager_dtor()
624 	up_write(&vmap->vm_mm->mmap_sem);  in linux_cdev_pager_dtor()
626 	linux_cdev_handle_free(vmap);  in linux_cdev_pager_dtor()
1266 	struct vm_area_struct *vmap;  in linux_file_mmap_single()  local
1292 	vmap = kzalloc(sizeof(*vmap), GFP_KERNEL);  in linux_file_mmap_single()
1293 	vmap->vm_start = 0;  in linux_file_mmap_single()
1294 	vmap->vm_end = size;  in linux_file_mmap_single()
1295 	vmap->vm_pgoff = *offset / PAGE_SIZE;  in linux_file_mmap_single()
1296 	vmap->vm_pfn = 0;  in linux_file_mmap_single()
1297 	vmap->vm_flags = vmap->vm_page_prot = (nprot & VM_PROT_ALL);  in linux_file_mmap_single()
1299 		vmap->vm_flags |= VM_SHARED;  in linux_file_mmap_single()
1300 	vmap->vm_ops = NULL;  in linux_file_mmap_single()
1301 	vmap->vm_file = get_file(filp);  in linux_file_mmap_single()
1302 	vmap->vm_mm = mm;  in linux_file_mmap_single()
1304 	if (unlikely(down_write_killable(&vmap->vm_mm->mmap_sem))) {  in linux_file_mmap_single()
1307 		error = -OPW(fp, td, fop->mmap(filp, vmap));  in linux_file_mmap_single()
1309 		up_write(&vmap->vm_mm->mmap_sem);  in linux_file_mmap_single()
1313 		linux_cdev_handle_free(vmap);  in linux_file_mmap_single()
1317 	attr = pgprot2cachemode(vmap->vm_page_prot);  in linux_file_mmap_single()
1319 	if (vmap->vm_ops != NULL) {  in linux_file_mmap_single()
1324 		if (vmap->vm_ops->open == NULL ||  in linux_file_mmap_single()
1325 		    vmap->vm_ops->close == NULL ||  in linux_file_mmap_single()
1326 		    vmap->vm_private_data == NULL) {  in linux_file_mmap_single()
1328 			linux_cdev_handle_free(vmap);  in linux_file_mmap_single()
1332 		vm_private_data = vmap->vm_private_data;  in linux_file_mmap_single()
1353 			TAILQ_INSERT_TAIL(&linux_vma_head, vmap, vm_entry);  in linux_file_mmap_single()
1355 			vm_no_fault = (vmap->vm_ops->fault == NULL);  in linux_file_mmap_single()
1361 			linux_cdev_handle_free(vmap);  in linux_file_mmap_single()
1382 				linux_cdev_handle_remove(vmap);  in linux_file_mmap_single()
1384 				linux_cdev_handle_free(vmap);  in linux_file_mmap_single()
1393 		    (vm_paddr_t)vmap->vm_pfn << PAGE_SHIFT, vmap->vm_len);  in linux_file_mmap_single()
1395 		*object = vm_pager_allocate(OBJT_SG, sg, vmap->vm_len,  in linux_file_mmap_single()
1398 		linux_cdev_handle_free(vmap);  in linux_file_mmap_single()
1890 vmap(struct page **pages, unsigned int count, unsigned long flags, int prot)  in vmap()  function