> On Feb 13, 2019, at 3:59 PM, Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > On Wed, Feb 13, 2019 at 10:00:10PM +0000, Song Liu wrote: >> I would like to discuss remaining work to bring THP to (non-tmpfs) file systems. >> This topic has been discussed multiple times in previous LSF/MM summits [1][2]. >> However, there hasn't been much progress since late 2017 (the latest work I can >> find is by Kirill A. Shutemov [3]). > > ... this was literally just discussed. > > Feel free to review > https://lore.kernel.org/lkml/20190212183454.26062-1-willy@xxxxxxxxxxxxx/ > > with particular reference to the last three paragraphs of > https://lore.kernel.org/lkml/20190208042448.GB21860@xxxxxxxxxxxxxxxxxxxxxx/ Thanks for the pointers! I will read the patches and related code. > >> Therefore, we would like discuss (for one more time) what is needed to bring >> THP to file systems like ext4, xfs, btrfs, etc. Once we are aligned on the >> direction, we are more than happy to commit time and resource to make it happen. > > I believe the direction is clear. It needs people to do the work. > We're critically short of reviewers. I got precious little review of > the original XArray work, which made Andrew nervous and delayed its > integration. Now I'm getting little review of the followup patches > to lay the groundwork for filesystems to support larger page sizes. > I have very little patience for this situation. I don't feel I am a qualified reviewer for MM patches, yet. But I will try my best to catch up. Thanks again, Song
