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b=QkOLfMlzsLkpneHFEytiK8w/aQUdinJpiYzkmIALzAiffAzFQZHFg0Zz2qvDNf5ee BiG+Rc5BBXKvxTAEy59IsDTRWONsE0lNO11uHExhNujpWgyFGqWsKYEKI9CufpFt8r 7y2IwMBMO6WjzstMSXar5n9XF62FL/kyEEt2jiOOKTOiy5GLlFt6gqDl1Xvd1mp05D ZvvvTC/TGyXxOpV7VBFRxz0qDtSlnFvfsfED6SPtLTnCoaMl538sj2OvNUi7uR+S9r K4MKfM4bNZYGFA8RLv+4vOnHzOtSG+v6SlElUYPLcq8D+mh9r6FylgfvPQbxRhgB3f AcsRc7JFGHZFg== Date: Mon, 26 Oct 2026 20:06:23 -0400 From: Sasha Levin To: SJ Park Cc: 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 Message-ID: References: <2026-10-26-1-daily-reply-0007-damon-zero-target-value-6-12@kernel.org> <20261027000120.156623-1-sj@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20261027000120.156623-1-sj@kernel.org> X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 22CCA80005 X-Stat-Signature: cwud1m6aq9ba9tuhhr8j7eoaq1g315mh X-Spam-Status: No, score=-6.1 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 autolearn=no autolearn_force=no version=4.0.1 X-Rspam-User: X-HE-Tag: 1793059585-162957 X-HE-Meta: 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 K7VuXTio LdTz1TkKMRYRl52VDu6eYplS0OZSQaQ66/+b/UWVverX8M2hNWq9Jbe8N6tjN3yYWXXM+F6EVtS/zaJFU6YnaHL0PvE8WSmuFzT1l54r3LGlK8eTkXu02K/Kd6clKc8mbHQ5xWtvWOUaJbun8ZoFXLGw53sh9hvv1U1kJPSXPzgVA+Oa75KK3YxywfY6Xl+0qW3BrG8bWFCfVI/Bv3lP7Lr+Byi36nyIEoJfuvlciRGK6nw2mlp2xFdWX9IIAciQSF0eVyIviuW81ThWazhNBQ+wjh0grpAjauPFAAZCm7JkI63pYMc7eegaGaE2ellCKW7ZVPjNjWcQQXALHcX+DO4A0Fg== 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 On Mon, Oct 26, 2026 at 05:01:20PM -0700, SJ Park wrote: >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. No problem, now dropped. >Also, could we avoid queueing DAMON patches that marked as RFC in general? Sorry about this. We don't normally get RFC tags for backports so my brain didn't register this at all :) -- Thanks, Sasha