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bh=mbv8WxNYdZDCGISix1qH3K9oOQ8RMlyWgnMJQvHMmG0=; b=aQI0klBF7cyaRbi2gMm6IqOcPRQu8vMLeXnN1dbxh0E1Wfe2vFCMhexrak6QWU4dB1pzx1 gceE/fZw8QKeGSbF1XbXr4Oe3yXub1Q0iTHBo4zq0Ia7Hpxa8ajirysNlkYBMLSRYrnlb9 /YNF5CeetXi9FatVon5AzMZw5cFe5tE= ARC-Authentication-Results: i=1; imf31.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=RQUO+4NY; spf=pass (imf31.hostedemail.com: domain of sj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id DEEA1600C8; Wed, 2 Sep 2026 00:27:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 38EA51F000E9; Wed, 2 Sep 2026 00:27:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788308852; bh=mbv8WxNYdZDCGISix1qH3K9oOQ8RMlyWgnMJQvHMmG0=; h=From:To:Cc:Subject:Date; b=RQUO+4NY2VU3f7MNQJs8O/9NYJxF9+lIgXvdVprklDTns8sq8MmOsoSniUPJJztqq 4X1/Vc1U9JgKmYoaVlRiTv+PmW3UbUPwwFR14cDhoqecuF4tC6GnL+MSJby5amyds3 Ro82wNH3VUssbS6IUR4QLeFk+xBekhw+ggsZbACziDlfrmMGWgd/tHH0SbacZYkMVT MAMYjgj2elCLpXQZDsvpnZArX+8c0FYZrBrJwfpLvLZrahdx+Det0POhB5WtmEQC/I GjC5jVmpWcCO25rvpfs0az9XePaeeMYhcI06XaTkNAa1XkuK/Wtkotj6MMXwZU1Nk4 bVuobnP1ICHng== From: SJ Park To: Andrew Morton Cc: SJ Park , stable@vger.kernel.org, Brendan Higgins , David Gow , Quanmin Yan , Ravi Jonnalagadda , damon@lists.linux.dev, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 0/4] mm/damon: fix misc bugs in kunit, quota goals and sysfs refresh_ms Date: Tue, 1 Sep 2026 17:27:19 -0700 Message-ID: <20260902002725.108635-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 9FB4A20002 X-Stat-Signature: oc5z4oppegppa35ozogbqxuj4d1qscyt X-HE-Tag: 1788308853-794388 X-HE-Meta: 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 hjkfIZaU VPIvXdT5IDjoW7HvfKvZFLbBTY+0QAXVgfyGc7gJVZNqTWP56dYB+un3cKRsllvuxpm+0q1L52WzRZiSRWUs/mIVLValjgEpM0f3+W5yKwJGUKDVWoHlXA5J0q0qGXNDz/ADePSsxApLEs92hCIhjVz3SHg2WzVvEFiLegfppeNAoXg79Ikd5UiW9GEfXuB+UqXOqQtX9tMQsJzmjhFpXaXricYhyADNhiXEbUnvNHml02eVekiZV1NHwudUqRooucRjtHFFaSQa2QixFhN8Slker9fYy7X30kt+ZmhXsYz2oc1E8R+aGzEQ/XXzKHtJmdW6B3B8d39EFy3pjvN3P4EnPzEtlMOog76bqoB/rCXSWU5E= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: DAMOS quota goals commit unit test is mistakenly not testing a test case that was designed to test. DAMOS quota goals and DAMON sysfs refresh_ms file have bugs that can produce non critical but still unexpected behaviors. Fix the bugs. Patch 1 fixes the DAMOS quota goals commit unit test to cover a mistakenly uncovered case. Patches 2 and 3 fix the bugs in DAMOS PSI goal initialization and eligible_mem_bp online commit, respectively. Patch 4 fixes the bug in DAMON sysfs refresh_ms file handling. Changes from RFC v1.3 - RFC v1.3: https://lore.kernel.org/20260828183649.71192-1-sj@kernel.org - Drop RFC tag. - Rebase to latest mm-new. Changes from RFC v1.2 - RFC v1.2: https://lore.kernel.org/20260828014659.121058-1-sj@kernel.org - Fix last_psi_total underflow. Changes from RFC v1.1 - RFC v1.1: https://lore.kernel.org/20260827134429.123023-1-sj@kernel.org - Fix quota goals commit unit test that was mistakenly missing a test case. - Initialize last_psi_total as uninitialized at the beginning. - Correct kunit test for changed last_psi_total initialization behavior. Changes from RFC - RFC: https://lore.kernel.org/20260827042920.93580-1-sj@kernel.org (Mistakenly missed RFC tag) - Fix build error. - Add eligible_mem_bp nid commit fix. SJ Park (4): mm/damon/tests/core-kunit: test committing psi goal to psi goal mm/damon/core: handle uninitialized damos_quota_goal->last_psi_total mm/damon/core: copy nid for eligible_mem_bp damos quota goal commit mm/damon/sysfs: set next refresh jiffies per sysfs context mm/damon/core.c | 16 ++++++++++++++-- mm/damon/sysfs.c | 11 +++++------ mm/damon/tests/core-kunit.h | 16 ++++++++++------ 3 files changed, 29 insertions(+), 14 deletions(-) base-commit: ee125db0b1f24a2f6b04e3143ffe1a14324176fe -- 2.47.3