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b=h7rOTNavWHvnY0UaYjX9CW/w7w1qHLGHcxMxhQWYFvyVaApX37ziE1Y2163AzbFeG 9YTONgGt3YpegrQqQ7/z+/x2SXLN5K6S9RFe5Cl3+4upqHoLqmoMcSyjOUV2Dt6wKg Eg7eISzf1aIfybVMg+hsdujCTSaRULl6jfbD1Nw3lZJtzw+/9S4fVNxmsc59XScJN9 hxHvGp6FcWNwlZgNHB5Wnbyrxof/KlFPNGBREaWeNZNlME2p+7GrBoIsZWUgmbXpJg FsB/b5aZkWQol1GdDcQblZkHQSCB+aExQ8u/Bcsm3vjhp0FxlfDxeT7GiwK/8s1h7W l3iw/RQRlnHYg== From: SJ Park To: Sasha Levin Cc: SJ Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org Subject: Re: [RFC PATCH 6.12.y v2] mm/damon/core: error damos_commit_quota_goal() for zero target_value Date: Mon, 26 Oct 2026 17:01:20 -0700 Message-ID: <20261027000120.156623-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <2026-10-26-1-daily-reply-0007-damon-zero-target-value-6-12@kernel.org> References: X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 7468940011 X-Stat-Signature: fc96iatz1kej4hxsfuzaszus88anrfp4 X-Rspamd-Server: rspam04 X-Spam-Status: No, score=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Rspam-User: X-HE-Tag: 1793059294-562086 X-HE-Meta: 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 dfQMOumE pB9+lJD3DR7cFsKSe3FQSQm2aqg0oEe/tW9T0XOlJ2VgXOh3cCkNesqfZzA9ATdJsKNRUrwM8aV16usVhtqJlqgvuA9I66NcJb/co1toOdOhhOyjycZ7QtSl2+dUASpajtONSg+Xb8iJKb0qkrP/zKrfs23LiVJbOv8DGVUxLYs0qQpQiY75BYm5fLwO3cGRAgTbHMFgH1n5l8jkzhxFO+k3OXLd0c6PxcV2KpBZJcvt398P8yM02yI8iNPh5GYeQXQ8va0wztkj4/JId8MP5dmDPaYc4Y2E35KY1oZkESu+TW7A= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hello Sasha, On Mon, 26 Oct 2026 18:55:58 -0400 Sasha Levin wrote: > > Also, the upstream commit on this stable kernel can fix the issue for > > parameters commit paths but DAMON start path. That's because DAMON > > start path does not invoke damon_commit_quota_goals(). To fix the path > > with minimum change, add a new small validation of quota goal target > > value before damon_start() call. > > Queued for 6.12, thanks. I'm sorry but could you please unqueue? Sashiko found [1] a bug that can leak pids. Also, could we avoid queueing DAMON patches that marked as RFC in general? [1] https://lore.kernel.org/20261026150825.152576-1-sj@kernel.org Thanks, SJ [...]