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b=Yl5LJAvUU+oWPByuTAm4vJ/x1vXc8vFn6kh7xTrrVz/NwSNIYbfncKf5zO1ZnsctW rbyCz5/C9QBweG4a6jhnx2GJgNnLkr7i5927R0jWo8KkEMrhaLT0ovPigvB99ZEpkw R2tMsYRywFEN+MFB3kCgrQ+dAbmdG8nGVYB/Zf1RNm5qWNoH6xTN6HJr0ZhbsZTEVS vrdkA/wD+fswvNrrJ0ROc+CCHSEmbv8dTzBPwIUbbBRYJtCV9E+73Ud/f17ygjjfya HPUl5/nlPEa/uLYV6yEpD2F7fkw2/IG66aF1qXmcxT2nM0/BM+V4zlMRGV/V6l39u9 CrFBfRBAC0vtg== From: SJ Park To: Sasha Levin Cc: SJ Park , stable@vger.kernel.org, Andrew Morton , Brendan Higgins , David Gow , Quanmin Yan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Lian Wang , Kunwu Chan Subject: Re: [RFC PATCH 6.12.y 3/5] mm/damon/core: handle uninitialized damos_quota_goal->last_psi_total Date: Sun, 8 Nov 2026 17:15:56 -0800 Message-ID: <20261109011557.92525-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <2026-11-08-1-daily-reply-0009-damon-6-12-psi@kernel.org> References: X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 0A86C160005 X-Stat-Signature: wiq631bzi17grkppxbb36xrcjmxos8r4 X-Rspam-User: X-Spam-Status: No, score=-8.8 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-HE-Tag: 1794186965-245769 X-HE-Meta: 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 64qtBIym T4Pr1RPQDzF5kOupMjd4RbRRL2IYsbKBvCEj2i9CHeWt36xgd4dz3SoTM8Kwfe32CuOH/oQbgF+JGJKUe66wuJKhEJqMZKc7Nz/DUm06cMV3JJg8p39dCWPdtfahw5WqJpNJsQT9rlPEum0IPu0N13iMtDm9ICIkz6aQSuacZYRnwSOZusbs5SjGGkimXO2d7IG3fMWpmZDpmYNXb3WcrDum1L0i24eEZaz4p1xA1DAi0EQsE4UFqoL0g0jVWkBuLe/MjGFw3jboL8zHXkbL9p5ffNBGwaZ0rFZU9LFHaZ7VsiNy0AT15KB5I/GlVwX9gD6LwXKyKK+g1JNwMRH4Mx/hyvWViRgsxzKMs 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 Sun, 8 Nov 2026 19:34:37 -0500 Sasha Levin wrote: > > When DAMOS_QUOTA_SOME_MEM_PSI_US metric damos quota goal is set, the PSI > > delta for the feedback loop is calculated using > > damos_quota_goal->last_psi_total. > > Patches 1, 2, 4 and 5 are queued for 6.12. > > This one doesn't apply: 610c4438fb66 ("mm/damon/core: error > damos_commit_quota_goal() for zero target_value") is queued for 6.12 and made > damos_commit_quota_goal() return int, so the `return 0;` has to be kept. Please > rebase it on the queue and resend. Thank you, Sasha. I just rebased and posted [1] this one as another thread. [1] https://lore.kernel.org/20261109011347.92467-1-sj@kernel.org Thanks, SJ [...]