173 	struct vm_area_struct *next = vma->vm_next;  in remove_vma()  local
182 	return next;  in remove_vma()
192 	struct vm_area_struct *next;  in SYSCALL_DEFINE1()  local
262 	next = find_vma(mm, oldbrk);  in SYSCALL_DEFINE1()
263 	if (next && newbrk + PAGE_SIZE > vm_start_gap(next))  in SYSCALL_DEFINE1()
685 	struct vm_area_struct *next;  in __vma_unlink_common()  local
688 	next = vma->vm_next;  in __vma_unlink_common()
690 		prev->vm_next = next;  in __vma_unlink_common()
694 			prev->vm_next = next;  in __vma_unlink_common()
696 			mm->mmap = next;  in __vma_unlink_common()
698 	if (next)  in __vma_unlink_common()
699 		next->vm_prev = prev;  in __vma_unlink_common()
724 	struct vm_area_struct *next = vma->vm_next, *orig_vma = vma;  in __vma_adjust()  local
733 	if (next && !insert) {  in __vma_adjust()
736 		if (end >= next->vm_end) {  in __vma_adjust()
743 			if (next == expand) {  in __vma_adjust()
748 				VM_WARN_ON(end != next->vm_end);  in __vma_adjust()
755 				VM_WARN_ON(file != next->vm_file);  in __vma_adjust()
756 				swap(vma, next);  in __vma_adjust()
763 				remove_next = 1 + (end > next->vm_end);  in __vma_adjust()
765 					   end != next->vm_next->vm_end);  in __vma_adjust()
767 					   end != next->vm_end);  in __vma_adjust()
769 				end = next->vm_end;  in __vma_adjust()
772 			exporter = next;  in __vma_adjust()
779 			if (remove_next == 2 && !next->anon_vma)  in __vma_adjust()
780 				exporter = next->vm_next;  in __vma_adjust()
782 		} else if (end > next->vm_start) {  in __vma_adjust()
787 			adjust_next = (end - next->vm_start) >> PAGE_SHIFT;  in __vma_adjust()
788 			exporter = next;  in __vma_adjust()
799 			importer = next;  in __vma_adjust()
826 			uprobe_munmap(next, next->vm_start, next->vm_end);  in __vma_adjust()
842 		anon_vma = next->anon_vma;  in __vma_adjust()
844 		VM_WARN_ON(adjust_next && next->anon_vma &&  in __vma_adjust()
845 			   anon_vma != next->anon_vma);  in __vma_adjust()
849 			anon_vma_interval_tree_pre_update_vma(next);  in __vma_adjust()
856 			vma_interval_tree_remove(next, root);  in __vma_adjust()
869 		next->vm_start += adjust_next << PAGE_SHIFT;  in __vma_adjust()
870 		next->vm_pgoff += adjust_next;  in __vma_adjust()
875 			vma_interval_tree_insert(next, root);  in __vma_adjust()
886 			__vma_unlink_prev(mm, next, vma);  in __vma_adjust()
897 			__vma_unlink_common(mm, next, NULL, false, vma);  in __vma_adjust()
899 			__remove_shared_vm_struct(next, file, mapping);  in __vma_adjust()
911 			if (!next)  in __vma_adjust()
914 				vma_gap_update(next);  in __vma_adjust()
921 			anon_vma_interval_tree_post_update_vma(next);  in __vma_adjust()
931 			uprobe_mmap(next);  in __vma_adjust()
936 			uprobe_munmap(next, next->vm_start, next->vm_end);  in __vma_adjust()
939 		if (next->anon_vma)  in __vma_adjust()
940 			anon_vma_merge(vma, next);  in __vma_adjust()
942 		mpol_put(vma_policy(next));  in __vma_adjust()
943 		vm_area_free(next);  in __vma_adjust()
956 			next = vma->vm_next;  in __vma_adjust()
968 			next = vma;  in __vma_adjust()
972 			end = next->vm_end;  in __vma_adjust()
975 		else if (next)  in __vma_adjust()
976 			vma_gap_update(next);  in __vma_adjust()
1151 	struct vm_area_struct *area, *next;  in vma_merge()  local
1162 		next = prev->vm_next;  in vma_merge()
1164 		next = mm->mmap;  in vma_merge()
1165 	area = next;  in vma_merge()
1167 		next = next->vm_next;  in vma_merge()
1186 		if (next && end == next->vm_start &&  in vma_merge()
1187 				mpol_equal(policy, vma_policy(next)) &&  in vma_merge()
1188 				can_vma_merge_before(next, vm_flags,  in vma_merge()
1194 						      next->anon_vma, NULL)) {  in vma_merge()
1197 					 next->vm_end, prev->vm_pgoff, NULL,  in vma_merge()
1211 	if (next && end == next->vm_start &&  in vma_merge()
1212 			mpol_equal(policy, vma_policy(next)) &&  in vma_merge()
1213 			can_vma_merge_before(next, vm_flags,  in vma_merge()
1219 					 addr, prev->vm_pgoff, NULL, next);  in vma_merge()
1221 			err = __vma_adjust(area, addr, next->vm_end,  in vma_merge()
1222 					 next->vm_pgoff - pglen, NULL, next);  in vma_merge()
1228 			area = next;  in vma_merge()
2355 	struct vm_area_struct *next;  in expand_upwards()  local
2375 	next = vma->vm_next;  in expand_upwards()
2376 	if (next && next->vm_start < gap_addr &&  in expand_upwards()
2377 			(next->vm_flags & (VM_WRITE|VM_READ|VM_EXEC))) {  in expand_upwards()
2378 		if (!(next->vm_flags & VM_GROWSUP))  in expand_upwards()
2622 	struct vm_area_struct *next = prev ? prev->vm_next : mm->mmap;  in unmap_region()  local
2630 				 next ? next->vm_start : USER_PGTABLES_CEILING);  in unmap_region()
2941 		struct vm_area_struct *next;  in SYSCALL_DEFINE5()  local
2943 		for (next = vma->vm_next; next; next = next->vm_next) {  in SYSCALL_DEFINE5()
2945 			if (next->vm_start != next->vm_prev->vm_end)  in SYSCALL_DEFINE5()
2948 			if (next->vm_file != vma->vm_file)  in SYSCALL_DEFINE5()
2951 			if (next->vm_flags != vma->vm_flags)  in SYSCALL_DEFINE5()
2954 			if (start + size <= next->vm_end)  in SYSCALL_DEFINE5()
2958 		if (!next)  in SYSCALL_DEFINE5()