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b=KQdclUNFHffW5wwZjD+EMKJE50q8xQHVKyM1l83HbpGQq85u/WW1TmUgsAhwkLy3Y wN4QvlE1cbPbpP/XdoINCviYRr/vT9utsjYQCLdnIZTL2h0TvklQtTfL9+pqNUHzD4 d06Jv68Ho8g7N9ujedjENGhJMPvBhtbQQZ/FyZU/3NmhG0glTnUkPaNKKdX+9N3nTp xi6exbRRM+3UV3hWNNBsbk8NvGpHm1vTZMIVz7/hsdgJWSMMh9gNtmIh8ciYv8352+ NGEUkNodtOjhMtNAuieiovyon7/ogiNz7sXttL0NA2VjpcktfATimkMiQ1z3PzcvFn Z3/p95wngBcZQ== From: SeongJae Park To: Josh Law Cc: SeongJae Park , Markus Elfring , damon@lists.linux.dev, linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [v3 1/3] mm/damon/sysfs: fix param_ctx leak on damon_sysfs_new_test_ctx() failure Date: Tue, 24 Mar 2026 07:15:37 -0700 Message-ID: <20260324141537.91434-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 99E3A100018 X-Stat-Signature: ch9pd8kq1yxjw1sdp8o56dn5kgkre3ef X-Rspam-User: X-Rspamd-Server: rspam02 X-HE-Tag: 1774361745-292736 X-HE-Meta: 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 sJ/eIjoA dgBpwB171J7kY1NyzVgFum1BmmUARTcNBYlUmIHOrk+O8LNDk1ZaZSk30/BqhVoo1mwa/XdNM5AKM2Von0FOZ19n1JNhAWFisuE/JabGXEnqLsDAP3Mt2yHCvYO/8hlYQYavwzcYpjicHriH9GMk9tIjztwMrIfRjWaJ6w6GEG3ywSYRrYo7p4KTjGduOZFTj8lwgJB5i+9Hht0crmClo/Wc0R/ULTrMhvAEj/eEI/sC1U3INwx87qWdVhSGMRNpAqS1nXcSPrqN/q6HrOfdWO5tTKpO17dyuiDYVYNw/VUbD2yhR1DnJdFFSOS8ADT4pQ38cTbjWMqhlkfeB4+LNuIalHTstEcYxG2CCDAOiE5CNwmNIYfQfRVJx3BfHnpZgDC5E9k03XNLfqSdqopGpcZplqBOOeWHhS1w8Um1x0AgaQxZvitTD8bX/3F2pf6XqOWLRhG3sLQfzmKqYnOONDm9TSguqM2oduygzbJocR72XepQ= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 24 Mar 2026 07:06:25 +0000 Josh Law wrote: > > > On 24 March 2026 00:14:59 GMT, SeongJae Park wrote: > >On Mon, 23 Mar 2026 16:48:19 +0000 Josh Law wrote: > >[...] > >> Also, unconnected to our topic! > >> > >> > >> I've tried to backport Damon to 4.19 (for a personal android thing, and failed! Of course) > >> > >> 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 4.18 kernel. Maybe 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. When I was in AWS, I backported DAMON of v6.7 on > >the v5.10 based Amazon Linux kernel, and the source is available on GitHub. So > >if you can use 5.10 based kernel, using that could also be a good option. > > > >[1] https://oracle.github.io/kconfigs/?config=UTS_RELEASE&config=DAMON > > > > > >Thanks, > >SJ > > > >[...] > > > > well android likes using old kernels for some reasons, especially LTS, so 4.19.. Well, but the long term support of 4.19 has dead a few years ago. The oldest LTS kernel of today is 5.10 [1]. I understand some vendors might still use 4.19 kernel, though. Anyway, let me know if there is anything that I can help. I will try to help. [1] https://www.kernel.org/category/releases.html Thanks, SJ [...]