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Howlett" , "Vlastimil Babka (SUSE)" , Mike Rapoport , Suren =?utf-8?B?QmFnaGRhc2FyeWFu77+8?= , Qi Zheng , Axel Rasmussen , Yuanchu Xie , Wei Xu , Rik van Riel , Gregory Price , Wenchao Hao , Jonathan Corbet , Hugh Dickins , Baolin Wang , Tejun Heo , Michal =?iso-8859-1?Q?Koutn=FD?= , Shuah Khan , Kunwu Chan , Meta kernel team , Linux Memory Management List , Linux Kernel Mailing List , linux-doc@vger.kernel.org, "open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)" , Andrew Morton , Joshua Hahn Subject: Re: Path forward for Virtualized Swap? Message-ID: References: <5fdb3777-95a2-48f9-bb38-aa4ba3c96a81@kernel.org> <5ca344de-bc34-4a9b-ab85-f553811a1d9c@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Stat-Signature: aj1y1rjrh5h6eeqwhsoypui18n58htdj X-Rspam-User: X-Rspamd-Queue-Id: E4855140008 X-Rspamd-Server: rspam03 X-HE-Tag: 1789398043-778019 X-HE-Meta: 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 SZvWKIWv lhntoZ8Gs3AO3IqwT9/Hi+A4c3ckSUb8pIfYUuhijlsvidATXy/g+0FlOdcyDATl+327uHLevrb34aGmHKIoGPMCCC8SNRSWv6M81NT/PfnLeLkYofk6tJJruZnhFHs6MS6SJE2A8NNSzMngKsIXlWxcSEiV1Ui4w50LBVmx2WKAx0+uyhjJkIEQJ72o/wn8Jl29YCNbBjfwKwlEqeVypYFxrS9gCHihqOCgRxrGMpJraYYhN33K5UWGvBSC8XGcN9Dof91qEgVneZ5GIB1D0FsGTYPKdVlgXJyxjSs5XCafF953sKNnugNjTJvx07zKn3m3/Q7udsNdbc2Dqm4xKlynB75OstbZIJS/kgeCZYfKaRqfWDbqyOevTxuU6n3R8Vho9HqmF5T0tkgOIpeMmFkWK8SKlq3zrwepEjtiCqiMQLuUYCBCacioQXZhXOpZhWvUSppx+SWtrxwGKhyli3eW0kw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 09/12/26 at 12:20am, Kairui Song wrote: > On Fri, Sep 11, 2026 at 12:23 AM Nhat Pham wrote: > > > > On Thu, Sep 10, 2026 at 3:57 AM David Hildenbrand (Arm) > > wrote: > > > > > > On 9/8/26 18:45, Nhat Pham wrote: > > > > On Mon, Sep 7, 2026 at 4:30 AM David Hildenbrand (Arm) wrote: > > > >> > > > >> On 9/4/26 23:14, Nhat Pham wrote: > > > >> > > > >> Hi, > > > >> > > > >>> To Kairui, Johannes, Yosry, Chris, David, Andrew, and other (z)swap folks - > > > >>> I need some help here. > > > >> > > > >> I'll mostly ignore swap-related stuff because (a) -EBUSY and (b) we have quite > > > >> some swap experts around :) > > > >> > > > >> Reading below, I do wonder if the swap subsystem needs some more coordination > > > >> and collaboration? > > > >> > > > >> For example, maybe having bi-weekly/monthly meetings to get everybody aligned > > > >> and uptodate could be something reasonable? > > > >> > > > >> This approach has proven fairly helpful in areas where (1) multiple companies > > > >> are involved (2) many concurrent development is happening, and (3) people have > > > >> different priorities and requirements. > > > >> > > > >> Is there already something like that to organize development? Should we get > > > >> started with that? > > > > > > > > Hi David! > > > > > > Hi! > > > > > > > > > > > Thank you for your suggestions :) More collaboration and communication > > > > is definitely needed here. Conference is a good place for this, but > > > > it's not something we can do very frequently, and many folks could not > > > > attend (visa issues, etc.). > > > > > > Right, and conferences usually don't have the capacity to squeeze too many > > > swap-related topics in, so it would have to be side discussions or BOFs. > > > > > > > > > > > A bi-weekly/monthly series of meetings sound very appealing. Swap > > > > contributors are very spread out (China, NorAm, Europe, etc.), so > > > > coordination will be tricky, but let us figure out something. > > > > > > Yes, that's an issue. I'd suggest swap maintainers take care of that if they > > > agree. I could try as well, but it's rather tricky right now on my end ... > > > > > > As an alternative, we could also use on/two/ ... slots in the bi-weekly MM > > > alignment session to talk about swap. (I'd be happy to learn more about all this > > > as well) > > > > That's awesome! Thanks for the offer David - I think MM alignment is at 9AM > > PDT Wednesday, usually right? That works for me of course, but Baoquan > > and Kairui (and other swap folks) - would this time be convenient for > > you? > > > > Thanks for setting this up! > > Is 9AM PDT fixed, or can it be adjusted? 9AM PDT is midnight for the > UTC+8 folks. > > The time is still fine for me, though, I tend to stay up quite late > anyway ;) so that time works fine on my end if the slot is fixed. > > Is there a calendar invite or something, please send me one, I'm happy > to do a swap sync discussion there. Thanks for opening this up for discussion. While the time slot is a little late for me, I am not very sure if I can attend, will see.