On Thu, Aug 02, 2018 at 07:01:28AM +0900, Tetsuo Handa wrote: > On 2018/08/02 1:37, Roman Gushchin wrote: > > On Tue, Jul 31, 2018 at 11:14:01PM +0900, Tetsuo Handa wrote: > >> Can we temporarily drop cgroup-aware OOM killer from linux-next.git and > >> apply my cleanup patch? Since the merge window is approaching, I really want to > >> see how next -rc1 would look like... > > > > Hi Tetsuo! > > > > Has this cleanup patch been acked by somebody? > > Not yet. But since Michal considers this cleanup as "a nice shortcut" > ( https://marc.info/?i=20180607112836.GN32433@xxxxxxxxxxxxxx ), I assume that > I will get an ACK regarding this cleanup. > > > Which problem does it solve? > > It simplifies tricky out_of_memory() return value decision, and > it also fixes a bug in your series which syzbot is pointing out. > > > Dropping patches for making a cleanup (if it's a cleanup) sounds a bit strange. > > What I need is a git tree which I can use as a baseline for making this cleanup. > linux.git is not suitable because it does not include Michal's fix, but > linux-next.git is not suitable because Michal's fix is overwritten by your series. > I want a git tree which includes Michal's fix and does not include your series. > > > > > Anyway, there is a good chance that current cgroup-aware OOM killer > > implementation will be replaced by a lightweight version (memory.oom.group). > > Please, take a look at it, probably your cleanup will not conflict with it > > at all. > > Then, please drop current cgroup-aware OOM killer implementation from linux-next.git . > I want to see how next -rc1 would look like (for testing purpose) and want to use > linux-next.git as a baseline (for making this cleanup). I'll post memory.oom.group v2 later today, and if there will be no objections, I'll ask Andrew to drop current memcg-aware OOM killer and replace it with lightweight memory.oom.group. These changes will be picked by linux-next in few days. Thanks!