286 	struct vm_area_struct *next = vma->vm_next;  in remove_vma()  local
295 	return next;  in remove_vma()
305 	struct vm_area_struct *next;  in SYSCALL_DEFINE1()  local
350 	next = find_vma(mm, oldbrk);  in SYSCALL_DEFINE1()
351 	if (next && newbrk + PAGE_SIZE > vm_start_gap(next))  in SYSCALL_DEFINE1()
740 	struct vm_area_struct *next;  in __vma_unlink()  local
743 	prev->vm_next = next = vma->vm_next;  in __vma_unlink()
744 	if (next)  in __vma_unlink()
745 		next->vm_prev = prev;  in __vma_unlink()
762 	struct vm_area_struct *next = vma->vm_next;  in vma_adjust()  local
772 	if (next && !insert) {  in vma_adjust()
775 		if (end >= next->vm_end) {  in vma_adjust()
780 again:			remove_next = 1 + (end > next->vm_end);  in vma_adjust()
781 			end = next->vm_end;  in vma_adjust()
782 			exporter = next;  in vma_adjust()
784 		} else if (end > next->vm_start) {  in vma_adjust()
789 			adjust_next = (end - next->vm_start) >> PAGE_SHIFT;  in vma_adjust()
790 			exporter = next;  in vma_adjust()
800 			importer = next;  in vma_adjust()
825 				uprobe_munmap(next, next->vm_start,  in vma_adjust()
826 							next->vm_end);  in vma_adjust()
845 		anon_vma = next->anon_vma;  in vma_adjust()
847 		VM_BUG_ON_VMA(adjust_next && next->anon_vma &&  in vma_adjust()
848 			  anon_vma != next->anon_vma, next);  in vma_adjust()
852 			anon_vma_interval_tree_pre_update_vma(next);  in vma_adjust()
859 			vma_interval_tree_remove(next, root);  in vma_adjust()
872 		next->vm_start += adjust_next << PAGE_SHIFT;  in vma_adjust()
873 		next->vm_pgoff += adjust_next;  in vma_adjust()
878 			vma_interval_tree_insert(next, root);  in vma_adjust()
888 		__vma_unlink(mm, next, vma);  in vma_adjust()
890 			__remove_shared_vm_struct(next, file, mapping);  in vma_adjust()
902 			if (!next)  in vma_adjust()
905 				vma_gap_update(next);  in vma_adjust()
912 			anon_vma_interval_tree_post_update_vma(next);  in vma_adjust()
922 			uprobe_mmap(next);  in vma_adjust()
927 			uprobe_munmap(next, next->vm_start, next->vm_end);  in vma_adjust()
930 		if (next->anon_vma)  in vma_adjust()
931 			anon_vma_merge(vma, next);  in vma_adjust()
933 		mpol_put(vma_policy(next));  in vma_adjust()
934 		kmem_cache_free(vm_area_cachep, next);  in vma_adjust()
940 		next = vma->vm_next;  in vma_adjust()
943 		else if (next)  in vma_adjust()
944 			vma_gap_update(next);  in vma_adjust()
1080 	struct vm_area_struct *area, *next;  in vma_merge()  local
1091 		next = prev->vm_next;  in vma_merge()
1093 		next = mm->mmap;  in vma_merge()
1094 	area = next;  in vma_merge()
1095 	if (next && next->vm_end == end)		/* cases 6, 7, 8 */  in vma_merge()
1096 		next = next->vm_next;  in vma_merge()
1108 		if (next && end == next->vm_start &&  in vma_merge()
1109 				mpol_equal(policy, vma_policy(next)) &&  in vma_merge()
1110 				can_vma_merge_before(next, vm_flags, anon_vma,  in vma_merge()
1113 						      next->anon_vma, NULL)) {  in vma_merge()
1116 				next->vm_end, prev->vm_pgoff, NULL);  in vma_merge()
1129 	if (next && end == next->vm_start &&  in vma_merge()
1130  			mpol_equal(policy, vma_policy(next)) &&  in vma_merge()
1131 			can_vma_merge_before(next, vm_flags, anon_vma,  in vma_merge()
1137 			err = vma_adjust(area, addr, next->vm_end,  in vma_merge()
1138 				next->vm_pgoff - pglen, NULL);  in vma_merge()
2192 	struct vm_area_struct *next;  in expand_upwards()  local
2212 	next = vma->vm_next;  in expand_upwards()
2213 	if (next && next->vm_start < gap_addr &&  in expand_upwards()
2214 			(next->vm_flags & (VM_WRITE|VM_READ|VM_EXEC))) {  in expand_upwards()
2215 		if (!(next->vm_flags & VM_GROWSUP))  in expand_upwards()
2451 	struct vm_area_struct *next = prev ? prev->vm_next : mm->mmap;  in unmap_region()  local
2459 				 next ? next->vm_start : USER_PGTABLES_CEILING);  in unmap_region()