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On Wed, May 07, 2025 at 11:02:00AM +0200, Uladzislau Rezki wrote: > On Wed, May 07, 2025 at 10:05:58AM +0200, David Hildenbrand wrote: > > On 07.05.25 01:21, Andrew Morton wrote: > > > On Tue, 6 May 2025 18:36:01 +0100 Lorenzo Stoakes wrote: > > > > > > > As part of the ongoing efforts to sub-divide memory management > > > > maintainership and reviewership, establish a section for GUP (Get User > > > > Pages) support and add appropriate maintainers and reviewers. > > > > > > > > > > Thanks, I was wondering about that. > > > > Thanks Lorenzo for driving this! > > > > Acked-by: David Hildenbrand Thanks David! Am trying to strike while the iron is hot post-lsf and discuss with people and set things in motion :) > > > > > > > > (looks at vmscan.c) > > > > Current maintainers (mm/unstable) on 20 biggest files in mm, Andrew is > > implicit: > > > > $ find mm -name "*.c" -type f | xargs wc -l | sort -n -r | head -20 > > 198195 total > > 7937 mm/hugetlb.c # Muchun > > 7881 mm/slub.c # Christoph/David/Vlastimil > > 7745 mm/vmscan.c # This is, as Andrew rightly points out, a key one, I will have a look around the git history and put something together here. I'm not sure if we will get an M here, but at least can populate some reviewers. > > 7424 mm/page_alloc.c # Yeah Vlastimil put effort into sorting out reviewers here (thanks Vlastimil!) but nobody's stepped up for an M yet :) > > 7166 mm/memory.c # David > > 5962 mm/shmem.c # Hugh > > 5553 mm/memcontrol.c # Johannes/Roman/Shakeel > > 5245 mm/vmalloc.c # As discussed below 100% Ulad is very clearly the right guy for M (and who has graciously offered his services as such) :>) Ulad - do you want to send a patch upgrading yourself there? cc me and David, I will happily ack of course, and I suspect David as well! > > 4703 mm/huge_memory.c # David > > 4538 mm/filemap.c # Willy > > 3964 mm/swapfile.c # The various discussions at LSF lend themselves to suggesting people here, can take a look at this also. > > 3871 mm/ksm.c # As per discussion below, thanks for suggesting yourself David, I hope this is a case of 'well de facto I am maintaining this' rather than taking anything new on, as I worry about how much your workload involves :P I will sniff around the git history too and put something together. > > 3720 mm/gup.c # David > > 3675 mm/mempolicy.c # Ack below, and will take a look here also. > > 3371 mm/percpu.c # Dennis/Tejun/Christoph > > 3370 mm/compaction.c # As you say lots of R's which is good. As per below would you want M for this? I will take a look also. > > 3197 mm/page-writeback.c # Willy > > 3097 mm/vma.c # Liam/Lorenzo > > 2988 mm/rmap.c # David/Lorenzo > > > > I've been messing with KSM for a long time, so I could easily jump in as > > maintainer for that. Probably we want page migration (incl. mempolicy?) as a > > separate entry. I've been messing with that as well (and will be messing > > more), so I could jump in for that as well. > > > > For page allocator stuff (incl. compaction) we at least have plenty of > > reviewers now. For vmalloc we at least have Uladzislau as single reviewer. > > > > vmscan.c and vmalloc.c really need some love. > > > As for "vmalloc.c" i can jump in as an extra maintainer aside with > Andrew if no objections. Entirely the opposite of an objection, I'd be aghast if you weren't a maintainer there, thank you for your excellent work in vmalloc, you're a top chap and we're very lucky to have you working on this! > > -- > Uladzislau Rezki Cheers, Lorenzo