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charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Nov 12, 2020 at 7:18 PM Andrew Morton wrote: > > On Thu, 12 Nov 2020 19:04:56 -0800 Alexei Starovoitov wrote: > > > On Thu, Nov 12, 2020 at 04:26:10PM -0800, Roman Gushchin wrote: > > > > > > These patches are not intended to be merged through the bpf tree. > > > They are included into the patchset to make bpf selftests pass and for > > > informational purposes. > > > It's written in the cover letter. > > ... > > > Maybe I had to just list their titles in the cover letter. Idk what's > > > the best option for such cross-subsystem dependencies. > > > > We had several situations in the past releases where dependent patches > > were merged into multiple trees. For that to happen cleanly from git pov > > one of the maintainers need to create a stable branch/tag and let other > > maintainers pull that branch into different trees. This way the sha-s > > stay the same and no conflicts arise during the merge window. > > In this case sounds like the first 4 patches are in mm tree already. > > Is there a branch/tag I can pull to get the first 4 into bpf-next? > > Not really, at present. This is largely by design, although it does cause > this problem once or twice a year. > > These four patches: > > mm-memcontrol-use-helpers-to-read-pages-memcg-data.patch > mm-memcontrol-slab-use-helpers-to-access-slab-pages-memcg_data.patch > mm-introduce-page-memcg-flags.patch > mm-convert-page-kmemcg-type-to-a-page-memcg-flag.patch > > are sufficiently reviewed - please pull them into the bpf tree when > convenient. Once they hit linux-next, I'll drop the -mm copies and the > bpf tree maintainers will then be responsible for whether & when they > get upstream. That's certainly an option if they don't depend on other patches in the mm tree. Roman probably knows best ?