[sltkr]

This still doesn't solve the overflow problem.

It's also too limiting: with u8 you can't ask for page-aligned data, and with u16 not for hugepage-aligned data. Granted, those aren't exactly prime use cases for a bump allocator, but it seems like poor design to limit the API unnecessarily.

[loeg]

It fully solves the overflow problem. You don't need page-aligned data in a bump allocator.