Фото: Tingshu Wang / Reuters
OK, so here’s what I have to say about this.。关于这个话题，PDF资料提供了深入分析
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.，详情可参考新收录的资料
Выигравший Паралимпиаду российский лыжник поздравил со своей победой Путина14:50，推荐阅读新收录的资料获取更多信息