Publication date: 5 April 2026
Фото: Amr Alfiky / Reuters，这一点在新收录的资料中也有详细论述
Lucide Icons: Modern, consistent iconography，推荐阅读新收录的资料获取更多信息
To summarize, the kernel first translates the destination userspace virtual address to its backing physical frame via a software page table walk. Then it maps this frame into its own virtual address space as RW. Finally, it performs the writes using a simple memcpy.