Any idea why it does require exactly 4MB of RAM, even if kernel is much, much smaller? It's some kind of default size of memory page or what? I asked the same

Any idea why it does require exactly 4MB of RAM, even if kernel is much, much smaller? It's some kind of default size of memory page or what? I asked the same answer here but for normal Linux kernel: https://news.ycombinator.com/item?id=26979499 https://news.ycombinator.com/item?id=26979499