On Fri, May 04, 2018 at 04:22:16PM -0700, Andrew Morton wrote: > I'm feeling a bit hostile toward lib/percpu_ida.c in general ;) It has > very few users and seems rather complicated (what's with that > schedule() in percpu_ida_alloc?). I'm suspecting and hoping that if > someone can figure out what the requirements were, this could all be > zapped and reimplemented using something else which we already have.
Note that I have no code in percpu_ida ... it's quite different from the regular IDA. But I have noticed the stunning similarity between the percpu_ida and the code in lib/sbitmap.c. I have no idea which one is better, but they're essentially doing the same thing.
