From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender-of-o57.zoho.eu (sender-of-o57.zoho.eu [136.143.169.57]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AA4E940245E; Tue, 24 Mar 2026 15:24:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.169.57 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774365847; cv=pass; b=GDt6cnRwdOesFiecnneu1QWHReN0casu2clVAL3pXtVMDD5ZIycmamStvCqIaeK3583b5JZ5Q3rLBaHDYQ9UWz4T4jTN821lBJ32GSHGXH8lxZ2Ul3z7qTteCGGweFMtyLYMdgHRDgBqUoN0sSY4dOcsgqE80ntvGGq15bN255Y= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774365847; c=relaxed/simple; bh=VlKJv8dWJlaHJHXMlIE4BSaindyrxVSs1O+vhEZ+g8c=; h=Date:From:To:CC:Subject:In-Reply-To:References:Message-ID: MIME-Version:Content-Type; b=YFYKnBFa5TfDkeNJUZvFj5K4LYKeV8A8ucl7fKAlJLX9c4k6bMObXitp5RWrp2r5rMstJphCXETcIL758slzvHNa+nh5jrkMVh9IOJs8jnuvdH8MPliykc/XiVEz/6mfu1crWW+47UVFX88x17gUbEMBG3hy0/k+yc9jaYLztQs= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=objecting.org; spf=pass smtp.mailfrom=objecting.org; dkim=pass (1024-bit key) header.d=objecting.org header.i=objecting@objecting.org header.b=KolOZT9B; arc=pass smtp.client-ip=136.143.169.57 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=objecting.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=objecting.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=objecting.org header.i=objecting@objecting.org header.b="KolOZT9B" ARC-Seal: i=1; a=rsa-sha256; t=1774365816; cv=none; d=zohomail.eu; s=zohoarc; b=LXnBElSlmUVOrfZCAPwDY2tQIouurVoPwZUIhJLFLvx2B3n/wAomA5p66z4W5YhRuPPZVlHz1b2xm8/BylsHNnbizEmjsXmqTJQZ77bZhjqQVxk1McAwqWbcmcbQOKhZKVw7V1Qynpczh5krRlc2nHn6CTwSn2cMy7BFusVznAI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.eu; s=zohoarc; t=1774365816; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=rQNo5gRq0ttu6AMLBxnpSMS80bStRyQxiFciq1sROUE=; b=TfZLL0eSC2/ECusdMMCaLHdOD4bcdbxvqD6XIXLloSN3zp9hBkOKTMHLbqRoP4eiOXzk6rTNnIbp8Fe5pvZx2zVZopGgDzXfVHw4c8Z4rQFKKJ5/kJ3nbvMd+JNYQHhNZ/pUbcgh4zICHdG38UszPTyT2bnBFOVYu6TuhJRFaug= ARC-Authentication-Results: i=1; mx.zohomail.eu; dkim=pass header.i=objecting.org; spf=pass smtp.mailfrom=objecting@objecting.org; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1774365816; s=zmail; d=objecting.org; i=objecting@objecting.org; h=Date:Date:From:From:To:To:CC:Subject:Subject:In-Reply-To:References:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To:Cc; bh=rQNo5gRq0ttu6AMLBxnpSMS80bStRyQxiFciq1sROUE=; b=KolOZT9BTJENIDtAt4aXF1Erxgz3JzZtMBddJDw2jJpN1qq+rA0c4ZZOb8pDyW03 H5pUyxGV/5kEJHj0/pqe/E3bASlrrql7JRLOLl5J+3UPGNoel2NchA5WH9yUKPdNffU Jvtex75qYDkDYeqmV78FOhvrIGNnBQRrZRjh0yfc= Received: by mx.zoho.eu with SMTPS id 1774365814980617.8320820549221; Tue, 24 Mar 2026 16:23:34 +0100 (CET) Date: Tue, 24 Mar 2026 15:23:32 +0000 From: Josh Law To: SeongJae Park CC: Markus Elfring , damon@lists.linux.dev, linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: =?US-ASCII?Q?Re=3A_=5Bv3_1/3=5D_mm/damon/sysfs=3A_fix_param=5Fctx?= =?US-ASCII?Q?_leak_on_damon=5Fsysfs=5Fnew=5Ftest=5Fctx=28=29_failure?= User-Agent: Thunderbird for Android In-Reply-To: <20260324141537.91434-1-sj@kernel.org> References: <20260324141537.91434-1-sj@kernel.org> Message-ID: <7C2341EE-3CBE-42E4-8D2F-341137CC6234@objecting.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External On 24 March 2026 14:15:37 GMT, SeongJae Park wrote: >On Tue, 24 Mar 2026 07:06:25 +0000 Josh Law w= rote: > >>=20 >>=20 >> On 24 March 2026 00:14:59 GMT, SeongJae Park wrote: >> >On Mon, 23 Mar 2026 16:48:19 +0000 Josh Law wrote: >> >[=2E=2E=2E] >> >> Also, unconnected to our topic! >> >>=20 >> >>=20 >> >> I've tried to backport Damon to 4=2E19 (for a personal android thing= , and failed! Of course) >> >>=20 >> >> Can I have a bit of help if that's fine with you? The tree is based = on GitHub a bit >> > >> >Sure, I will be happy to help as much as I can without burning myself = ;) >> > >> >Seems [1] Alma Linux has backported DAMON on their 4=2E18 kernel=2E M= aybe you can >> >try their port first? >> > >> >Also, what is the oldest kernel that you have to use? As newer it is,= the >> >backporting will be easier=2E When I was in AWS, I backported DAMON o= f v6=2E7 on >> >the v5=2E10 based Amazon Linux kernel, and the source is available on = GitHub=2E So >> >if you can use 5=2E10 based kernel, using that could also be a good op= tion=2E >> > >> >[1] https://oracle=2Egithub=2Eio/kconfigs/?config=3DUTS_RELEASE&config= =3DDAMON >> > >> > >> >Thanks, >> >SJ >> > >> >[=2E=2E=2E] >>=20 >>=20 >>=20 >> well android likes using old kernels for some reasons, especially LTS, = so 4=2E19=2E=2E > >Well, but the long term support of 4=2E19 has dead a few years ago=2E Th= e oldest >LTS kernel of today is 5=2E10 [1]=2E I understand some vendors might sti= ll use >4=2E19 kernel, though=2E Anyway, let me know if there is anything that I= can help=2E >I will try to help=2E > >[1] https://www=2Ekernel=2Eorg/category/releases=2Ehtml > > >Thanks, >SJ > >[=2E=2E=2E] The device itself is unsupported (Galaxy S20 FE) I've been working on a kernel for this device for quite a long time=20 V/R Josh Law