Re: [PATCH] mm/vmscan: remove prefetch_prev_lru_page

[Guoqing Jiang]

On 1/15/20 3:31 AM, Alex Shi wrote:
> å 2020/1/14 äå9:46, Qian Cai åé:
> > > 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.

FYI, seems it was introduced in commit 3aa1dc7725 [PATCH] multithread 
page reclaim in history tree.

Thanks,
Guoqing