os/mm/page_table.rs中的find_pte函数，如果参数是一个没有被映射过的VPN，函数也会返回PTE，调用该函数的caller都没有检查PTE合法的手段，原OS代码不报错是因为所查询的PPN都在合法范围内。 原代码： ...

TBRC is your source for in-depth reviews on how model aircraft fly, what to expect when buying a new aircraft, and tutorials on how to fly RC planes. Originally a team of two brothers-in-law, we're ...

Yes, it’s cake! 🍅🍫 In this satisfying baking tutorial, you’ll learn how to sculpt two ultra-realistic illusion cakes — a squeezable Heinz ketchup bottle and a bright yellow M&M’s squeeze tube, all ...

Abstract: High-performance, low-phase-noise oscillators are heavily demanded by highthroughput and high-fidelity mm-wave wireless transceivers. After briefly introducing the oscillator's performance ...

Abstract: This tutorial presents an overview of RF and mm-wave power-amplifier (PA) designs in silicon, focusing on the design fundamentals. First, the tutorial introduces PA performance metrics and ...