271 	struct vm_area_struct *next = vma->vm_next;  in remove_vma()  local
280 	return next;  in remove_vma()
708 	struct vm_area_struct *next;  in __vma_unlink()  local
711 	prev->vm_next = next = vma->vm_next;  in __vma_unlink()
712 	if (next)  in __vma_unlink()
713 		next->vm_prev = prev;  in __vma_unlink()
730 	struct vm_area_struct *next = vma->vm_next;  in vma_adjust()  local
740 	if (next && !insert) {  in vma_adjust()
743 		if (end >= next->vm_end) {  in vma_adjust()
748 again:			remove_next = 1 + (end > next->vm_end);  in vma_adjust()
749 			end = next->vm_end;  in vma_adjust()
750 			exporter = next;  in vma_adjust()
752 		} else if (end > next->vm_start) {  in vma_adjust()
757 			adjust_next = (end - next->vm_start) >> PAGE_SHIFT;  in vma_adjust()
758 			exporter = next;  in vma_adjust()
768 			importer = next;  in vma_adjust()
792 			uprobe_munmap(next, next->vm_start, next->vm_end);  in vma_adjust()
810 		anon_vma = next->anon_vma;  in vma_adjust()
812 		VM_BUG_ON_VMA(adjust_next && next->anon_vma &&  in vma_adjust()
813 			  anon_vma != next->anon_vma, next);  in vma_adjust()
817 			anon_vma_interval_tree_pre_update_vma(next);  in vma_adjust()
824 			vma_interval_tree_remove(next, root);  in vma_adjust()
837 		next->vm_start += adjust_next << PAGE_SHIFT;  in vma_adjust()
838 		next->vm_pgoff += adjust_next;  in vma_adjust()
843 			vma_interval_tree_insert(next, root);  in vma_adjust()
853 		__vma_unlink(mm, next, vma);  in vma_adjust()
855 			__remove_shared_vm_struct(next, file, mapping);  in vma_adjust()
867 			if (!next)  in vma_adjust()
870 				vma_gap_update(next);  in vma_adjust()
877 			anon_vma_interval_tree_post_update_vma(next);  in vma_adjust()
887 			uprobe_mmap(next);  in vma_adjust()
892 			uprobe_munmap(next, next->vm_start, next->vm_end);  in vma_adjust()
895 		if (next->anon_vma)  in vma_adjust()
896 			anon_vma_merge(vma, next);  in vma_adjust()
898 		mpol_put(vma_policy(next));  in vma_adjust()
899 		kmem_cache_free(vm_area_cachep, next);  in vma_adjust()
905 		next = vma->vm_next;  in vma_adjust()
908 		else if (next)  in vma_adjust()
909 			vma_gap_update(next);  in vma_adjust()
1039 	struct vm_area_struct *area, *next;  in vma_merge()  local
1050 		next = prev->vm_next;  in vma_merge()
1052 		next = mm->mmap;  in vma_merge()
1053 	area = next;  in vma_merge()
1054 	if (next && next->vm_end == end)		/* cases 6, 7, 8 */  in vma_merge()
1055 		next = next->vm_next;  in vma_merge()
1067 		if (next && end == next->vm_start &&  in vma_merge()
1068 				mpol_equal(policy, vma_policy(next)) &&  in vma_merge()
1069 				can_vma_merge_before(next, vm_flags,  in vma_merge()
1072 						      next->anon_vma, NULL)) {  in vma_merge()
1075 				next->vm_end, prev->vm_pgoff, NULL);  in vma_merge()
1088 	if (next && end == next->vm_start &&  in vma_merge()
1089 			mpol_equal(policy, vma_policy(next)) &&  in vma_merge()
1090 			can_vma_merge_before(next, vm_flags,  in vma_merge()
1096 			err = vma_adjust(area, addr, next->vm_end,  in vma_merge()
1097 				next->vm_pgoff - pglen, NULL);  in vma_merge()
2291 	struct vm_area_struct *next;  in expand_stack()  local
2294 	next = vma->vm_next;  in expand_stack()
2295 	if (next && next->vm_start == address + PAGE_SIZE) {  in expand_stack()
2296 		if (!(next->vm_flags & VM_GROWSUP))  in expand_stack()
2389 	struct vm_area_struct *next = prev ? prev->vm_next : mm->mmap;  in unmap_region()  local
2397 				 next ? next->vm_start : USER_PGTABLES_CEILING);  in unmap_region()
2661 		struct vm_area_struct *next;  in SYSCALL_DEFINE5()  local
2663 		for (next = vma->vm_next; next; next = next->vm_next) {  in SYSCALL_DEFINE5()
2665 			if (next->vm_start != next->vm_prev->vm_end)  in SYSCALL_DEFINE5()
2668 			if (next->vm_file != vma->vm_file)  in SYSCALL_DEFINE5()
2671 			if (next->vm_flags != vma->vm_flags)  in SYSCALL_DEFINE5()
2674 			if (start + size <= next->vm_end)  in SYSCALL_DEFINE5()
2678 		if (!next)  in SYSCALL_DEFINE5()