On 1/31/25 9:24 AM, Pavel Begunkov wrote: > It's very unlikely, but in theory cache creation can fail during > initcall, so don't forget to return errors back if something goes wrong. This is why SLAB_PANIC is used, it'll panic if this fails. That's commonly used for setup/init time kind of setups, where we never expect any failure to occur. Hence this can never return NULL. -- Jens Axboe