On Mon, Jan 29, 2024 at 02:36:57PM +0000, Pavel Begunkov wrote: > Let me know if there are any concerns with the patch This seems to lose the case where non-polled bios are freed form process context, which can be true with threadead interrupts or various block remappers that defer I/O completions to workqueues, and also a lot of file systems (but currentl the alloc cache isn't used by file systems). Also jumping backward for non-loop code flow is a nasty pattern.