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b=GWLVhNs+5R0A1zVlWzA8DdOF+6uvIgOdLMNDiKNcADdERgRnmqxLD3nU5Z0eamev8 SMGsOahpx0r2FU/+fXebfHa321tssU6zn20uVu35aPMoohR5oUYWA+01dhraJrylz8 q01Q9IWo+4qrYmOVlOKhDkpOzjiottClwBD68dQn0jcS+Yi0F5h4/1+MgwN5exR60E A5DhTvKlCtUb7ipzqJCBNMLoEwvfCJGqxajVHyEQgXKlJuqDCvnY8VmKaudeZLWkHE sn+CWUFPDOenUer1sacHKYS+ARwmuRlFnGm0RXqByfTvLmSzyDbgl+Yk+rMeA8ak5P XU3YSqmZTiXLQ== From: SJ Park To: Liew Rui Yan Cc: SJ Park , damon@lists.linux.dev, linux-mm@kvack.org Subject: Re: [RFC] mm/damon/damo: saving damon sysfs configuration Date: Thu, 8 Oct 2026 08:00:43 -0700 Message-ID: <20261008150043.46530-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261008134442.31243-1-aethernet65535@gmail.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: ED379140014 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: cpfcqmiu4tc38kmc5hmwg7if4p4w6sya X-HE-Tag: 1791471648-246896 X-HE-Meta: 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 XtjaNIQD d5QMjrS3yH7eBHJ/j9nfzsgGOvpqZ+0f3prFVlL/isaRpU7Qnavo5VKeCgYVr0v1J8A+iPGLkm2c1r+OiEK4EGQOaihB9FFA3EXwLW3P7E7t4Vzeamvw2XeBtXznGyGty99vEbztQvqI6wXqt2skUrvOBk6xovtdKvr9jpGTAISgB46j9ZVxCiAcD9+tBmqcJAFeYl3AMY9tW+uEctijEdNXjzVkL2B2AFcnaKwpbI4k1NKb9pSwEWz4aowrFHbvMb832 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 8 Oct 2026 21:44:19 +0800 Liew Rui Yan wrote: > On Thu, 08 Oct 2026 05:32:31 -0700 SJ Park wrote: > > > Hi Liew, > > > > On Thu, 8 Oct 2026 20:09:05 +0800 Liew Rui Yan wrote: > > > > > Hi SJ, > > > > > > Just a reminder, I think you might have missed the question I asked. > > > > Could you please clarify what is the question that is not yet answered? > > It seems I forgot to ask the question, my apologies. No worry! > > I would like to ask: after reviewing the reproduction, do you still > think this is a real issue? If so, I will start working on a fix. I'm not good at reading the diff in your previous reply. It makes me difficult to understand what the issue is. So I tried the commands on my system. ''' $ sudo ./damo start $ sudo ./damo args damon > damo_args_damon.json $ sudo ./damo report damon --json > damo_report_damon.json $ sudo ./damo stop $ sudo ./damo start --kdamonds damo_args_damon.json $ sudo ./damo report damon --json > damo_report_damon_aftr.json $ diff -u damo_report_damon.json damo_report_damon_aftr.json --- damo_report_damon.json 2026-10-08 07:56:04.979178016 -0700 +++ damo_report_damon_aftr.json 2026-10-08 07:56:27.717941609 -0700 @@ -1,7 +1,7 @@ [ { "state": "on", - "pid": "46402", + "pid": "46449", "refresh_ms": 0, "contexts": [ { ''' And still it is unclear what is the problem. Could I ask your elaboration? Thanks, SJ [...]