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Fri, 13 Nov 2026 00:30:59 -0800 (PST) Received: from [172.22.0.2] ([50.175.87.158]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ee0f868217sm6442615ad.52.2026.11.13.00.30.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 00:30:58 -0800 (PST) Date: Fri, 13 Nov 2026 00:30:53 -0800 From: Chris Down To: Pasha Tatashin Cc: Mike Rapoport , Pratyush Yadav , Breno Leitao , Alexander Graf , Baoquan He , Jonathan Corbet , Shuah Khan , kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH 1/9] kho: Reclaim the metadata page left reserved after kexec In-Reply-To: <179443616043.2329176.17166425351392983946.b4-review@b4> References: <63ca64c004b296a998a3e531f8c0c4964916b70c.1794383544.git.chris@chrisdown.name> <179443616043.2329176.17166425351392983946.b4-review@b4> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Message-ID: <20261113003053.1c951f5a678d35e3@chrisdown.name> User-Agent: Mutt/2.4.3 (cc9e3943) (2026-10-09) Hi Pasha, Pasha Tatashin writes: >> Fixes: 76aa46b9e404 ("kho: kexec-metadata: track previous kernel chain") > >Do we really need to apply this to stable? It behaves correctly, and >your patch performs a minor optimization by releasing a single page back >to the system. No, I don't think it's worth a backport, since it's only one page per boot. I'll drop the Fixes tag in v2. Thanks for the review! Chris