130 	unsigned long addr, unsigned long old_len, unsigned long new_len,  in move_vma()  argument
143 			prev->vm_end = new_addr + new_len;  in move_vma()
157 		} else if (next->vm_start == new_addr + new_len &&  in move_vma()
169 			prev->vm_end = new_addr + new_len;  in move_vma()
189 			new_vma->vm_end = new_addr+new_len;  in move_vma()
202 		current->mm->total_vm += new_len >> PAGE_SHIFT;  in move_vma()
204 			current->mm->locked_vm += new_len >> PAGE_SHIFT;  in move_vma()
205 			if (new_len > old_len)  in move_vma()
207 						   new_addr + new_len);  in move_vma()
225 	unsigned long old_len, unsigned long new_len,  in do_mremap()  argument
238 	new_len = PAGE_ALIGN(new_len);  in do_mremap()
253 		if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len)  in do_mremap()
264 		if (unlikely(!new_len && new_addr != addr))  in do_mremap()
270 		if ((new_addr <= addr) && (new_addr+new_len) > addr)  in do_mremap()
282 		ret = do_munmap(current->mm, new_addr, new_len);  in do_mremap()
283 		if (ret && new_len)  in do_mremap()
291 	if (old_len >= new_len) {  in do_mremap()
292 		ret = do_munmap(current->mm, addr+new_len, old_len - new_len);  in do_mremap()
293 		if (ret && old_len != new_len)  in do_mremap()
311 		if (new_len > old_len)  in do_mremap()
316 		locked += new_len - old_len;  in do_mremap()
322 	if ((current->mm->total_vm << PAGE_SHIFT) + (new_len - old_len)  in do_mremap()
328 	    !vm_enough_memory((new_len - old_len) >> PAGE_SHIFT))  in do_mremap()
336 	    (old_len != new_len || !(flags & MREMAP_MAYMOVE))) {  in do_mremap()
341 		if (max_addr - addr >= new_len) {  in do_mremap()
342 			int pages = (new_len - old_len) >> PAGE_SHIFT;  in do_mremap()
344 			vma->vm_end = addr + new_len;  in do_mremap()
350 						   addr + new_len);  in do_mremap()
368 			new_addr = get_unmapped_area(vma->vm_file, 0, new_len, vma->vm_pgoff, map_flags);  in do_mremap()
373 		ret = move_vma(vma, addr, old_len, new_len, new_addr);  in do_mremap()
380 	unsigned long old_len, unsigned long new_len,  in sys_mremap()  argument
386 	ret = do_mremap(addr, old_len, new_len, flags, new_addr);  in sys_mremap()