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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vhrwk-0000000DXNn-1h2T; Mon, 19 Jan 2026 16:17:42 +0000 Date: Mon, 19 Jan 2026 16:17:42 +0000 From: Matthew Wilcox To: Infinity Cc: linux-mm Subject: Re: [HELP] Request for assistance to upstream an Android memory optimization (Multi_Freearea) Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 8FF2FA0005 X-Stat-Signature: 31jbwaaxo361bn8o9gnwt7jwc4p5rkmx X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1768839466-2964 X-HE-Meta: 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 acZr83aX E1Q2YrrAJgpCWmgsjIrvxEDFgeHBB3iJ379cc8GyO1f33/NzyiMLH3nT5SOpnQeSSAnF84l6KG3+ux8aCMdo0d8vdjB5KaTvBgx1GTPgXR7eeMkdt+l5otUu/KP0MnM7DgIXhpiLzUwcOP6AQZ6ZnfT82zzw+Qif/KQ3Jz5Z7RunSDHTWdE3SFmspQdPWPdaqr+N4dJael19UzA3tvB7+Gk8MsIEFHESJAVwv2xOi3DVWKPhESQpvzUz+mwsgGoyPrqyVd63rEERoj+5V6+5eXZV9Z204ssIfPqunj6VdR5jFN3skOpORm2tTu5ejs3U354SuXcF9rTlUz9Z+b5hSUTxidw== 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 Sun, Jan 18, 2026 at 04:58:36PM +0800, Infinity wrote: > I am a non-technical user who came across an interesting memory optimization > in the Android kernel tree, and I'm seeking guidance on whether/how it might > be considered for upstream inclusion. https://lore.kernel.org/linux-mm/20210414023803.937-1-lipeifeng@oppo.com/