On Tue, Jan 23, 2024 at 10:30:37AM -0700, Jens Axboe wrote: > We never use more than 64 max in here, we can change them from unsigned > short to just a byte. Add a BUILD_BUG_ON() check, in case the max plug > count changes in the future. Do we care about the size of this once per task structure? byte-level access tends to be quite a bit more expensive on various architectures.