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t=1792491632; bh=nLyz9JhGDWxy9NbjsVWTRULOrIKXHGlt/Z6IB5TxlIQ=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=ARO/ajo2zgnbhFh5hCsGaz2xlsiTq5MKQA6QPpY92hDVzgorsIZh6oB+ih4SUR7Sz tIwJgdtYXc3kdAtc8zIZB1sQAhih9AFMDP5WLOrHIyxgNB/ReCHVUJyJqFnTHEjBqd 84SBrjEEA3ccXcwJHCAHI0pCb64e09QbkB+WwlUSIAJSRYofca91MsD2O5S/01RU8s Kb2wYkAbksfdst2H+OBT2H1jGVQ5oyRchc/cWEuy3ecycbLOpz6QFvwMcn0KG8joWJ 0iBmrCBKxSd91sy0cvV/QL47OD2pi12m2LMfPXiVyiX3Kx6I6KP2r2/i6sSNyHy01m jKAi1djIrLRrA== From: Pratyush Yadav To: Pasha Tatashin Cc: tarunsahu@google.com, linux-kselftest@vger.kernel.org, rppt@kernel.org, shuah@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, vipinsh@google.com, linux-kernel@vger.kernel.org, dmatlack@google.com, kexec@lists.infradead.org, pratyush@kernel.org, graf@amazon.com Subject: Re: [PATCH v1 3/7] liveupdate: Pass user argument to file preserve and retrieve In-Reply-To: (Pasha Tatashin's message of "Mon, 19 Oct 2026 15:31:50 -0400") References: <20261015093816.2438942-1-pasha.tatashin@soleen.com> <20261015093816.2438942-4-pasha.tatashin@soleen.com> <9huzwlrdh4q4.fsf@tarunix.c.googlers.com> Date: Tue, 20 Oct 2026 12:20:28 +0200 Message-ID: <2vxzfqy0hdw3.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Stat-Signature: 6udcfyuke6qj6uerdm5wjdcafoxudxup X-Spam-Status: No, score=-7.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 0C2A912000B X-Rspam-User: X-HE-Tag: 1792491633-58289 X-HE-Meta: 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 WkPj8Lzu VEgbyvauH0zKBskzAj2gKROU8vTcRLA8gEGJNxkoUUD2ryoJllp9F0qZMwQceor/FIfWGj4qSQLWcLDdhbxcU/6iKUh9grPs2m8kQaQaXa+LZlO7QV49qis/PIu+EpA3e4WMZcuzgCM8wfdDzYj0NFUurB84ZYMqzcoaLRAigzX3mWKwObQ02Rr8GzKSms262rnE28fvOnPZ7MN9sdRe6lQ8X/59HLe3amsSCcujA2Xw6I6zVHPT2N76W9g== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Mon, Oct 19 2026, Pasha Tatashin wrote: > On Mon, Oct 19, 2026 at 3:26=E2=80=AFPM wrote: >> >> >> As Per Today's Hypervisor liveupdate meeting, This patch will be picked >> by @dmatlack@google.com for latest tmpfs preservation series. >> >> I have a suggestion to make here. >> >> Let's send this patch as a saperate patch so that I can also use this in >> my guest_memfd preservation work. This will help landing this feature >> sooner and unblock other subsystem who needs it. >> >> Let me know what you think? > > Hi Tarun, > > You can include this patch the next time you send your guest_memfd > patches. Whichever series lands first will pull in this change. > > We are trying not to merge new features without an actual user, > especially ones as important as those changing the uapi. I think tmpfs > preservation may actually make it easier to land, as it only changes > the code that we maintain. +1, let's use tmpfs preservation to land this change. It is a simple and relatively small change compared to guest_memfd preservation. [...] --=20 Regards, Pratyush Yadav