444 	vm_region_jar = KMEM_CACHE(vm_region, SLAB_PANIC|SLAB_ACCOUNT);  in mmap_init()
454 	struct vm_region *region, *last;  in validate_nommu_regions()
461 	last = rb_entry(lastp, struct vm_region, vm_rb);  in validate_nommu_regions()
466 		region = rb_entry(p, struct vm_region, vm_rb);  in validate_nommu_regions()
467 		last = rb_entry(lastp, struct vm_region, vm_rb);  in validate_nommu_regions()
485 static void add_nommu_region(struct vm_region *region)  in add_nommu_region()
487 	struct vm_region *pregion;  in add_nommu_region()
496 		pregion = rb_entry(parent, struct vm_region, vm_rb);  in add_nommu_region()
516 static void delete_nommu_region(struct vm_region *region)  in delete_nommu_region()
544 static void __put_nommu_region(struct vm_region *region)  in __put_nommu_region()
570 static void put_nommu_region(struct vm_region *region)  in put_nommu_region()
588 	BUG_ON(!vma->vm_region);  in add_vma_to_mm()
694 	put_nommu_region(vma->vm_region);  in delete_vma()
985 		vma->vm_region->vm_top = vma->vm_region->vm_end;  in do_mmap_shared_file()
1001 			   struct vm_region *region,  in do_mmap_private()
1018 			vma->vm_region->vm_top = vma->vm_region->vm_end;  in do_mmap_private()
1105 	struct vm_region *region;  in do_mmap()
1159 		struct vm_region *pregion;  in do_mmap()
1166 			pregion = rb_entry(rb, struct vm_region, vm_rb);  in do_mmap()
1197 			vma->vm_region = pregion;  in do_mmap()
1208 					vma->vm_region = NULL;  in do_mmap()
1250 	vma->vm_region = region;  in do_mmap()
1383 	struct vm_region *region;  in split_vma()
1405 	*region = *vma->vm_region;  in split_vma()
1406 	new->vm_region = region;  in split_vma()
1422 	delete_nommu_region(vma->vm_region);  in split_vma()
1424 		vma->vm_region->vm_start = vma->vm_start = addr;  in split_vma()
1425 		vma->vm_region->vm_pgoff = vma->vm_pgoff += npages;  in split_vma()
1427 		vma->vm_region->vm_end = vma->vm_end = addr;  in split_vma()
1428 		vma->vm_region->vm_top = addr;  in split_vma()
1430 	add_nommu_region(vma->vm_region);  in split_vma()
1431 	add_nommu_region(new->vm_region);  in split_vma()
1446 	struct vm_region *region;  in shrink_vma()
1458 	region = vma->vm_region;  in shrink_vma()
1621 	if (new_len > vma->vm_region->vm_end - vma->vm_region->vm_start)  in do_mremap()
1791 	struct vm_region *region;  in nommu_shrink_inode_mappings()
1822 		region = vma->vm_region;  in nommu_shrink_inode_mappings()