函数逻辑报告

函数名称：After a successful try_to_unuse, if no swap is now in use, we know* we can empty the mmlist. swap_lock must be held on entry and exit.* Note that mmlist_lock nests inside swap_lock, and an mm must be

函数原型：static void drain_mmlist(void)

返回类型：void

参数：无