From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 584EF1369AA; Fri, 16 Feb 2024 19:40:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708112430; cv=none; b=U0LmtdFajfK9PdzidLNgj9pEkqannRyjwkcVhuJ5gWJT0eVklCZGwPMIa30IrV2sfYGou1vGMSK2JX54PY06GfRpA+/wEn1RQThxp1kccIPy1oou3Me34Nu8u5w3bP8FvmFWbJyIdKjYu5DQ5zkoiL13r+pDVN+NixT8VI1YL1U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708112430; c=relaxed/simple; bh=KIYFFZlklNJB3GcWj6tjjHQ4i09E6AICjsErgAI/kHs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=s4B7Ii9QDjlWy5e/iYak7iOkOpFmC2Q46oP6ziA9cuKnqTSyYJo2PuHV8/WbbgCfknMrGlIfgX5sliXcJ7caIYTtE3DTV21yIX30kEqzy7kR7P0vVZasiaA1tzcyp8NfhGCIvqORQwb+Kqz9qRAGU5mjM7xfqNSALBV87SFH0eM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kVej5bwl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kVej5bwl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 562A6C433F1; Fri, 16 Feb 2024 19:40:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708112429; bh=KIYFFZlklNJB3GcWj6tjjHQ4i09E6AICjsErgAI/kHs=; h=From:To:Cc:Subject:Date:From; b=kVej5bwlwvTjKN8bv1jBXdDFINYZYqRwCXuvFIIAMP9Erd/haiqJJyIoNvCOJv7/W G3smFU0REZuYhPxBKlVcGHGGutjXzBiN0GqrrZk3JzDr8GqRhJrY8FPnDQKsjllrgd vp/Yjm9jlZ6g7Q9iC+2YTC6ZS7V2BIOTo4zVxYEKtEw4zy01/RHB7QZ/nNUhbyAOwB lffB1AdUG8NSK1vsC+1CLD2y4UUnhx9FdKdtallDZOOf8qZCMvIog+BmFGMLPGPhfO ZEVqxjqPl/Zd1CzpYtj0PCYKUYfRDXMWh0YAT9LAmqqLlKGBIQ7m8Mn1vM+CWqWeuk YMJ2FTeqh+pxA== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, stable@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] mm/damon: fix quota status loss due to online tunings Date: Fri, 16 Feb 2024 11:40:23 -0800 Message-Id: <20240216194025.9207-1-sj@kernel.org> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit DAMON_RECLAIM and DAMON_LRU_SORT is not preserving internal quota status when applying new user parameters, and hence could cause temporal quota accuracy degradation. Fix it by preserving the status. SeongJae Park (2): mm/damon/reclaim: fix quota stauts loss due to online tunings mm/damon/lru_sort: fix quota status loss due to online tunings mm/damon/lru_sort.c | 43 ++++++++++++++++++++++++++++++++++++------- mm/damon/reclaim.c | 18 +++++++++++++++++- 2 files changed, 53 insertions(+), 8 deletions(-) base-commit: 0f8cac70960349ba21deb424bd41bc4f4362c113 -- 2.39.2