一种高效、稳定、可快速启停的核心供电装备，也突然走到台前，成为焦点——燃气轮机。
Gerd Baumgarten
。新收录的资料对此有专业解读
雨停了，夕阳穿透云层，照在巴斯 honey-colored 的石头上。我忽然明白，为什么两个世纪后，我们依然在读简·奥斯汀。因为在这个喧嚣、浮躁、充满不确定性的世界里，她教会了我们一种最珍贵的能力：在有限的生活里，保持清醒的头脑，和一颗不被驯服的心。
get_user_pages() also honors copy-on-write (CoW) semantics. If a write is detected to a non-writable page table entry, an “page fault” is emulated by calling handle_mm_fault, the core page fault handler. This triggers the appropriate CoW handling routine via do_wp_page, which copies the page if necessary. This ensures that writes via /proc/*/mem are only visible within the process if they occur to a privately shared mapping, such as libc.
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