在 2020/1/14 下午9:46, Qian Cai 写道: > > >> On Jan 14, 2020, at 7:55 AM, Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> wrote: >> >> This macro are never used in git history. So better to remove. > > When removing unused thingy, it is important to figure out which commit introduced it in the first place and Cc the relevant people in that commit. > Thanks fore reminder, Qian! This macro was introduced in 1da177e4c3f4 Linux-2.6.12-rc2, no author or commiter could be found. Thanks Alex