Designing and implementing active swap algorithm of managing physical page.

设计并实现了具有主动交换机制的物理页面管理算法。

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TLB is the cache holding the mapping information from the virtual address to the physical page in memory.

TLB缓存包含从虚拟地址到内存中物理页面的映射信息。

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Reverse mapping provides a mechanism for discovering which processes are using a given physical page of memory.

反向映射提供了一个发现哪些进程正在使用给定的内存物理页的机制。

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One thing I would've liked to have seen on the Paperwhite: physical page-turn buttons.

CNN: Review: Kindle Paperwhite is king of the e-readers

There are no buttons along the device's bezels, which is a bit of a shame: as with Kobo's other devices, we can't help but bemoan the lack of physical page turn buttons.

ENGADGET: Kobo Mini review: does the world need a smaller e-reader?

It's a natural positioning once you've got your fingers firmly positioned in the crook on the back of the device (of course there are no physical page turn buttons here, unlike the Nook Simple Touch).

ENGADGET: Barnes & Noble's Nook HD 7-inch Android tablet, hands-on (video)