320 		unsigned long new_len, unsigned long new_addr,  in move_vma()  argument
355 	new_vma = copy_vma(&vma, new_addr, new_len, new_pgoff,  in move_vma()
377 		old_len = new_len;  in move_vma()
383 			   new_addr, new_addr + new_len);  in move_vma()
405 	vm_stat_account(mm, vma->vm_flags, new_len >> PAGE_SHIFT);  in move_vma()
426 		mm->locked_vm += new_len >> PAGE_SHIFT;  in move_vma()
434 	unsigned long old_len, unsigned long new_len, unsigned long *p)  in vma_to_resize()  argument
463 	if (new_len == old_len)  in vma_to_resize()
469 	if (pgoff + (new_len >> PAGE_SHIFT) < pgoff)  in vma_to_resize()
479 		locked += new_len - old_len;  in vma_to_resize()
485 				(new_len - old_len) >> PAGE_SHIFT))  in vma_to_resize()
489 		unsigned long charged = (new_len - old_len) >> PAGE_SHIFT;  in vma_to_resize()
499 		unsigned long new_addr, unsigned long new_len, bool *locked,  in mremap_to()  argument
513 	if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len)  in mremap_to()
517 	if (addr + old_len > new_addr && new_addr + new_len > addr)  in mremap_to()
537 	ret = do_munmap(mm, new_addr, new_len, uf_unmap_early);  in mremap_to()
541 	if (old_len >= new_len) {  in mremap_to()
542 		ret = do_munmap(mm, addr+new_len, old_len - new_len, uf_unmap);  in mremap_to()
543 		if (ret && old_len != new_len)  in mremap_to()
545 		old_len = new_len;  in mremap_to()
548 	vma = vma_to_resize(addr, old_len, new_len, &charged);  in mremap_to()
558 	ret = get_unmapped_area(vma->vm_file, new_addr, new_len, vma->vm_pgoff +  in mremap_to()
564 	ret = move_vma(vma, addr, old_len, new_len, new_addr, locked, uf,  in mremap_to()
596 		unsigned long, new_len, unsigned long, flags,  in SYSCALL_DEFINE5()  argument
622 	new_len = PAGE_ALIGN(new_len);  in SYSCALL_DEFINE5()
629 	if (!new_len)  in SYSCALL_DEFINE5()
636 		ret = mremap_to(addr, old_len, new_addr, new_len,  in SYSCALL_DEFINE5()
647 	if (old_len >= new_len) {  in SYSCALL_DEFINE5()
650 		retval = __do_munmap(mm, addr+new_len, old_len - new_len,  in SYSCALL_DEFINE5()
652 		if (retval < 0 && old_len != new_len) {  in SYSCALL_DEFINE5()
665 	vma = vma_to_resize(addr, old_len, new_len, &charged);  in SYSCALL_DEFINE5()
675 		if (vma_expandable(vma, new_len - old_len)) {  in SYSCALL_DEFINE5()
676 			int pages = (new_len - old_len) >> PAGE_SHIFT;  in SYSCALL_DEFINE5()
678 			if (vma_adjust(vma, vma->vm_start, addr + new_len,  in SYSCALL_DEFINE5()
705 		new_addr = get_unmapped_area(vma->vm_file, 0, new_len,  in SYSCALL_DEFINE5()
714 		ret = move_vma(vma, addr, old_len, new_len, new_addr,  in SYSCALL_DEFINE5()
726 	if (locked && new_len > old_len)  in SYSCALL_DEFINE5()
727 		mm_populate(new_addr + old_len, new_len - old_len);  in SYSCALL_DEFINE5()