On Mon, Oct 25, 2021 at 1:33 AM Yafang Shao <laoar.shao@xxxxxxxxx> wrote: > > There're many truncated kthreads in the kernel, which may make trouble > for the user, for example, the user can't get detailed device > information from the task comm. > > This patchset tries to improve this problem fundamentally by extending > the task comm size from 16 to 24. In order to do that, we have to do > some cleanups first. It looks like a churn that doesn't really address the problem. If we were to allow long names then make it into a pointer and use 16 byte as an optimized storage for short names. Any longer name would be a pointer. In other words make it similar to dentry->d_iname.