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On Thu, 15 Jan 2026 12:40:12 +0000 Lorenzo Stoakes wrote: > > > On Wed, Jan 14, 2026 at 09:58:39AM -0800, Andrew Morton wrote: > > > On Wed, 14 Jan 2026 19:26:43 +0800 Qi Zheng wrote: > > > > > > > This patchset is intended to transfer the LRU pages to the object cgroup > > > > without holding a reference to the original memory cgroup in order to > > > > address the issue of the dying memory cgroup. > > > > > > Thanks. I'll add this to mm.git for testing. A patchset of this > > > magnitude at -rc5 is a little ambitious, but Linus is giving us an rc8 > > > so let's see. > > > > > > I'll suppress the usual added-to-mm email spray. > > > > Since this is so large and we are late on in the cycle can I in this case > > can I explicitly ask for at least 1 sub-M tag on each commit before > > queueing for Linus please? > > Well, kinda. > > fs/buffer.c > fs/fs-writeback.c > include/linux/memcontrol.h > include/linux/mm_inline.h > include/linux/mmzone.h > include/linux/swap.h > include/trace/events/writeback.h > mm/compaction.c > mm/huge_memory.c > mm/memcontrol.c > mm/memcontrol-v1.c > mm/memcontrol-v1.h > mm/migrate.c > mm/mlock.c > mm/page_io.c > mm/percpu.c > mm/shrinker.c > mm/swap.c > mm/vmscan.c > mm/workingset.c > mm/zswap.c > > That's a lot of reviewers to round up! And there are far worse cases - > MM patchsets are often splattered elsewhere. We can't have MM > patchsets getting stalled because some video driver developer is on > leave or got laid off. Not suggesting that you were really suggesting > that! Yeah, obviously judgment needs to be applied in these situations - an 'M' implies community trusts sensible decisions, so since this is really about the cgroup behaviour, I'd say simply requiring at least 1 M per-patch from any of: M: Johannes Weiner M: Michal Hocko M: Roman Gushchin M: Shakeel Butt Suffices. I am obviously not suggesting that we require sign off from _all_ sub-M's for _all_ affected files, and then some changes may be blurry. For the most part I think it's usually _fairly_ obvious which part of MAINTAINERS applies, and in cases where it doesn't obviously people can be pinged for opinions. > > As this is officially a memcg patch, I'd be looking to memcg > maintainers for guidance while viewing acks from others as > nice-to-have, rather than must-have. Yeah agreed. > > > We are seeing kernel bot reports here so let's obviously stabilise this for > > a while also. > > Yeah, I'm not feeling optimistic about getting all this into the next > merge window. But just one day in mm-new led to David's secret ci-bot > discovering a missed rcu_unlock due to a cross-tree integration thing. Yeah and that's not a big deal, things can wait a little while esp. the bigger changes! Stabilising it is more important :) > > I'll keep the series around for at least a few days, see how things > progress. > Sounds sensible! Cheers, Lorenzo