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 4D2192E54A3; Tue, 24 Mar 2026 07:06:55 +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=1774336024; cv=pass; b=jB93m9QDSfIW5Y0rloeDNdz2j+LYnJiF3Lo+dbE9GpnrO8/rYUAmd4dYBKRztdE1hpf/OW51w/tR5ry9adQBb51C5yjS+jA8mJ8zH4ak+PgX+Sd/5gA7CQi3yExbtnLTOOICi/fK9524mHTfEKxYU+7V2cDSNnPtxAVYkbZVugA= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774336024; c=relaxed/simple; bh=n3eCsBEH4u1wHa8dJtfVWcL6OZPHobfR/MYjrVJcIW4=; h=Date:From:To:CC:Subject:In-Reply-To:References:Message-ID: MIME-Version:Content-Type; b=ChvLKINpQ43YpT4G9hphHtxJ3jNhcfnLxaYU7uatKnRRfGOMA9JVVNjsG17/HUDxSpujKgoP6uC1CbUrk4iVOHOFV1WBrRqRZlknkhv/RhARrxlXn7MQw41DQpucyR2HAgz14N/9V3ByrtwJnnAaLRyWcaYutdU4V8HzmoomqUY= 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=EZ+Z4NWc; 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="EZ+Z4NWc" ARC-Seal: i=1; a=rsa-sha256; t=1774335991; cv=none; d=zohomail.eu; s=zohoarc; b=jP/cJdvUKvWgGl/m66OGGlqy6OEfSYEOQ6MikmzEG60N74+qBkVQL5WCMDbkNUEUeeT6OUnREnz6NIwTWXjToWnV2Be5ig04wmGNyqc23yA1WoXDHlshJ0kJEu7T8nihVRyqnUiAePqS+P2d665GHXPwuUVTAn0prfPqGyITsIM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.eu; s=zohoarc; t=1774335991; 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=lP8i3Qty/bHUVvaH5kVoGQLcodg/p/1/bywjT4dTNhc=; b=QHhZ0F6QgC332Y3owawq5SWJ71rg+kUZ+D4KA3EgvZsRAG0CYkwU3gDmlHKgw55xvAkIp1I0Z/2wyKzdJNY/h7Xmi9wG3Yf+7HOoVuvZeJ+q0fL6as18KiTTrLqCXGBoz51Nz55KxeWX+18aY7o/Ez7CQIZPZr54DS4XtERqMwg= 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=1774335991; 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=lP8i3Qty/bHUVvaH5kVoGQLcodg/p/1/bywjT4dTNhc=; b=EZ+Z4NWcp/pKJ7ARgcaqRUM6MeQieW6LmvEcOefoceBW8HKO9RcHPVoC69tlaxMt uJxNNJMBRrt29IZuW5itXs3g9+CZGXyGiLfnwk4jz9qt6Wl9Ra5zV3bVczlKxbsGWnJ j82sSwkTnUinqup1sT+0dMwIuicEA0jr+M6lxqes= Received: by mx.zoho.eu with SMTPS id 1774335988821909.6110963179683; Tue, 24 Mar 2026 08:06:28 +0100 (CET) Date: Tue, 24 Mar 2026 07:06:25 +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: <20260324001500.86247-1-sj@kernel.org> References: <20260324001500.86247-1-sj@kernel.org> Message-ID: 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 00:14:59 GMT, SeongJae Park wrote: >On Mon, 23 Mar 2026 16:48:19 +0000 Josh Law w= rote: >[=2E=2E=2E] >> Also, unconnected to our topic! >>=20 >>=20 >> I've tried to backport Damon to 4=2E19 (for a personal android thing, a= nd 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 Mayb= e you can >try their port first? > >Also, what is the oldest kernel that you have to use? As newer it is, th= e >backporting will be easier=2E When I was in AWS, I backported DAMON of v= 6=2E7 on >the v5=2E10 based Amazon Linux kernel, and the source is available on Git= Hub=2E So >if you can use 5=2E10 based kernel, using that could also be a good optio= n=2E > >[1] https://oracle=2Egithub=2Eio/kconfigs/?config=3DUTS_RELEASE&config=3D= DAMON > > >Thanks, >SJ > >[=2E=2E=2E] well android likes using old kernels for some reasons, especially LTS, so = 4=2E19=2E=2E V/R Josh Law