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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> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 95DD7140010 X-Stat-Signature: pjft65aabqzer4yw1fmm485nojbw8m6s X-Rspam-User: X-HE-Tag: 1774365841-464457 X-HE-Meta: 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 tYstLUWs 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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