> That doesn't make this point wrong: 4 KB is still a lot more than the couple of bytes a future might need. It makes the memory usage acceptable in many conte

> That doesn't make this point wrong: 4 KB is still a lot more than the couple of bytes a future might need. It makes the memory usage acceptable in many contexts. E.g., 4 KiB is small compared to a socket buffer. YMMV. > And setting up the page table is part of what makes spawning threads so expensive. Stacks can be reused.