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bh=tmYHqq0/128SCrxfsjngrNQmfX+jHP8UqCkkUU5HEDY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=UL1oh0EqJ+8kpvTbuQ0OyYXKDMTRlMW2BhHcEKRAqhLn/A30MdpJca7awDnQtdJKm eH7liGconcDiy6RyMcLyDvW9uoU86VTA2lZOsh1yEasDWDPpD7N8s3qYskStzdwLqD 4SWXiIBW0RMjK2EnIHBV364zBTEvVSSvVDp12vH/56QywovkyRBj0wc9xzFjOn4bsn gLxSQajgj+bG9/w2IHFK9L63NrNB0KOl6gyVsI/tlg8KrgubxQRQYSv+TjSJ0d12si Zfay2rGl7MbF5EDY1jWwOX/+VV1iqTzk48M7rplC8Y1hyZKJNar+jpd8OqULiM6ZY5 qpRpobpRFnoCA== From: SJ Park To: Andrew Morton Cc: SJ Park , stable@vger.kernel.org, Brendan Higgins , David Gow , Fernand Sieber , Leonard Foerster , Quanmin Yan , SeongJae Park , Shakeel Butt , damon@lists.linux.dev, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v1.1 0/6] mm/damon: unurgent fixes for infinite loop, NULL de-ref and races Date: Wed, 15 Jul 2026 06:26:32 -0700 Message-ID: <20260715132633.32217-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260714214604.10fc4c786277eaed523d0724@linux-foundation.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 6B4B3A000B X-Stat-Signature: tomt7rzjei6x9ou4sbpkjs3bq79usgdx X-HE-Tag: 1784122002-581979 X-HE-Meta: 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 YMaB9BV4 7JVuR7mWsodGmNHh22iemyLoAAF3rora/5S5hl7Y0n56lz87g/gq7j9XKHqNJbzPlF56bZePAuVdobQ+ED+LULHx5gooyb0JUCyXwsRBG/Ry74UNgTlgEinreHwQWqGOFFYHEXs9WYhQYcESlpxBQgRqIqQh+15YPoZIdLMj2RL6dkqva6SGqLYH4+PLWSLvq5GEBXYFg2MpX6qmNP3YtMU3UO2fPeVPM1Yk0D15REMSADLAfsZd622hFGG5/gBeCRvF2N66B6s51zwLcz3svRWAaV7FzRmRC2z8U Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 14 Jul 2026 21:46:04 -0700 Andrew Morton wrote: > On Tue, 14 Jul 2026 20:09:55 -0700 SJ Park wrote: > > > Sashiko found a few issues in DAMON that could cause infinite loop, NULL > > dereference and monitoring results degradation. The first two sounds > > scary but the infinite loop happens only under unreasonable user setup. > > The NULL dereference is only in a unit test. Monitoring results > > degradation is trivial since it is only best-effort, and those happens > > from only unlikely races. Still those are bugs that better to fix if > > possible. Fix those. > > > Subject: [PATCH v1.1 0/6] ... > > So... what is the significance of "1.1" here? As the changelog says, one more unurgent fix (patch 5 of this sereis) has added on top of the v1. Maybe my versioning scheme is confusing you. I increase minor version when it is purely for findings from Sashiko and if the change seems not really big. I do so because I realized it is easy to get version number large in short term when I respect Sashiko, and it may look confusing for some people. Maybe a better approach is running Sashiko in my local, but I don't have AI setup in my development environment... Let me know if this only confuses and bothers you and you have a suggestion. Thanks, SJ