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U2FsdGVkX1/sQh0ta/Pi2umnLkwLVaHkr1okx3p1ot6OPf2bexJ/mnexO1lD/TzULhdk2j2hob5a+s3JaQVTpdY9E+dGXPxMfRyN1fDPUkB/eizx/DjK8jpjKPeUzDbq01ytySNR4n6hgHpEXkh3muL5bSweSLgavWy/ErNPUZwOWfAX9rlYxOZD3PqIyva17EE7jl31FEYjzdllPoIIt8KYoQejoNjEbPViCNrMCec7F5P7apg3PMZar2iIDWIewR6AvOGnw9hwOzhdFGhN02NmVyxwWaWlMoIhFVJveocM7pNdgFPMX8yT0YqqktME5Wd1rMFHfY8Z2D4Ga/KnkKHhkRTs9upSyFdQLfIOhYW5k4xkNfTrzrI6NkKtBb2hazZ/v5kqSAhFMaokKkWva/YPo780xd1sFINPncjvTQ8QDv3Q/iKiXPLMjZknQxjWnfG79tWjcairFyP9knWR76sro5cnbFgv3L7+eliX9hJJ6xuzo34jXuVNFmKWjT8AyXtXYKLC6P4yhcP5sYDTq5CkA84K9FVGjfVqewv11V9QL2LaDghNKErHld62LYE6pHE2kFIKoZ64zmVOPJq7IoYtHQzWRHsCa8IT4ICrOG850SBHSw7RYBPyhhR/BFebMFTQA9X5eVOCXaWRUjsJ+9M1ygYUpi2PWRtf+y2Fxg1O0m6ZQ+jBWrgec6325WxPHhxgVMLgOdjvgZpTL1Vq5J/QlwMvMQTv+RXqsSywnM/yGVg11Ko2ip9A/g33T7pd/KQmLEwrjw7NpHtvB0gzMeOu8pOjID7wbFxCZJapaueUQmItpca3qfA3YFZk/1QtLbEdTu6mubEXYKDysLktUX4ad/ykzkb0AqNgqpjGCcIQ7wUmF03DmcfJFA5MgMfYUAcprc12HVQ4gBHECMpmn+C4fEEgTPqxWlliHCWYj80RY1luUQEPadWLUKzwciydHFPtzfB5RPPWQT3nv6G HfA3DJmd 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 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: List-Subscribe: List-Unsubscribe: Michal has kindly already updated, but the subject in thread is now misleading, correct one is 'Better anon VMA merging' :) On Thu, Mar 13, 2025 at 06:41:40PM +0000, Lorenzo Stoakes wrote: > As with the ongoing evolution of this, as previously discussed, the focus > has settled on merging of anonymous VMAs and improving this mergeability. > > I have an RFC series (not upstreamed yet, but should be by LSF) which > optionally permits improved anonymous mapping mergeability by passing a > flag to mremap(). Now posted at https://lore.kernel.org/all/cover.1742478846.git.lorenzo.stoakes@oracle.com/ Also with a pre-requisite series at https://lore.kernel.org/all/cover.1742245056.git.lorenzo.stoakes@oracle.com/ > > In this topic I'd like to discuss that, anon_vma in general motivations for > it, why it's hard, etc. > > This dovetails with the original proposal - bit is a less ambitious, more > short-term 'how can we improve the situation' kind of thing. Maybe next > year there can be more :) > > My slides are at ~31 right now, so I wonder whether I could have an hour > slot for this? As I'd also like to have some discussion of course! :) Just for the record haha - that's no need for this :P I have already cut my slides down to 1/2 hour. The remaining ones can perhaps be re-used at a different conference where I could go into more introductionary depth on anon_vma etc.! > > Thanks! See you all in Montreal! :) Cheers, Lorenzo