Making a page within a process ineligible for either paging or swapping. A page stays locked in physical memory until it is unlocked.; 使某個(gè)進(jìn)程內(nèi)的某頁面不能被調(diào)頁或交換。該頁面被鎖定在存儲(chǔ)器中，直至開鎖 為止。