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Tue, 25 Nov 2025 10:59:48 -0800 (PST) From: Joshua Hahn To: SeongJae Park Cc: Andrew Morton , Vlastimil Babka , Mike Rapoport , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel-team@meta.com Subject: Re: [PATCH v2 2/2] mm/mm_init: decouple page checking and init_on_{alloc, free} Date: Tue, 25 Nov 2025 10:59:46 -0800 Message-ID: <20251125185947.1593647-1-joshua.hahnjy@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251125011808.74845-1-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: DA0A320007 X-Stat-Signature: inzd8kpq185mrjredt5qtpxoabq8f6bq X-HE-Tag: 1764097189-862410 X-HE-Meta: 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 WtlsCY1v Tp5ak3cKId4rTzatpOX9ny+2Sbeii5g9hoA7Ff5ImlabQx+0G1KXl1uLgpo6sof4ETpPffvisInqxfntVSWOCo/y183Dg52k2MzM1sMtbqPMYnLBODLyWs0G4xWiZYVDikPM9GbVSQFKNjO4PImP/1LrOE//7iITi3N2hATPAtidtUsA/JRP9+NEyyJbdPoXb198V7lM5RCJt9KEG3whq0dLUsRUGv9Aztye4bmDddSNGduBvJ3gly3aQDCOJ2RMtOwVO9PRQxh+2PkTTBpEZna0eJ8ybJrNEMcZlue6o/b3sxzAGrPHEXQDo0Pxq+GXZkEwlAGBMFvBBG2c57lVPDA5irUjledVzFU9mIqaWIZDghZFM2heVQLHMS7F8Tj0Z6HkRDPE0OmLv+2xZocf17rzm+YnbC/jo2zxDdCl3W479iFy11L5G7Xy3K14iCop8Hc4RsunC0lY07by0utuCk2Pj9TCsYt1KQTnV2Pl3MEegNa2zoblFxoQ1fIVyAGYefPoryDIaCZQyElFYynDfEJ4SNj1/Dw2maXk0ynygb7y/yTuSC3ZhjY+ablVA7ltol7Ue 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: On Mon, 24 Nov 2025 17:18:07 -0800 SeongJae Park wrote: > On Mon, 24 Nov 2025 14:54:07 -0800 Joshua Hahn wrote: > > > init_on_alloc and init_on_free protect the kernel by initializing > > allocated and freed pages to 0 on allocation time / deletion. > > Commit 700d2e9a36b93601270c1e15550acde2521386c5 ("mm, page_alloc: reduce Hello SJ, thank you for your review on both of these patches!! > I think 12 digits for commit hash id is enough. Sounds good, I'll shrink the hash id in the next version ; -) [...snip...] > Acked-by: SeongJae Park Thanks again, I hope you have a great day! Joshua > > Thanks, > SJ > > [...]