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Today I’ll be writing about memory allocation, a fairly fundamental topic, perhaps one that most encounter faily early in their OS development journey. Yet I’ve only now started to really get into it, now that I feel like it’s needed. And it turned out to be fun after all! The basics I decided to take guidance from this post by Dmitry Soshnikov, implementing in this post only the basics, to get to a point at which I can freely call kmalloc and kfree, without throwing away too much memory. And p...