From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 0C70D369219; Mon, 31 Aug 2026 14:47:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788187664; cv=none; b=LY7/RVQgheJkDARuTQg8gFu3ZbgylhGhr9woQr/Yjgodxc2HQWrhYz4SjrX1BVtpPbNVDTRAkZj7Az9fP0Zq6JoHxvoYCbHWGl8UqR7WM1YfcwggOWh3eEzb1fYmHhdlFA4Oj6KuZ6sZ1NaJDNUcfm5h85YleGnmARBN9OGjr/g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788187664; c=relaxed/simple; bh=DDAM8kLS6YFUm07t0FP+1YwHfuBY8U7Ht/eFKbSjt4Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KJ4y5ng0VZPsf1i41iN0QXZ+mLdXeRQcajn0EbaejfmFwZQlvDzRDjjnqkltshPLFzdQiqwnpdY5soYM47QQNKwOJOP9BYUkxmQ5Nrp/Bcx28bQSJmkFqsvu475iki9FAI5VHuPJq5lTUG3dVXndnadOqg56tNaTChUD0pluLe4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TtR08xk3; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TtR08xk3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5CD291F00ACA; Mon, 31 Aug 2026 14:47:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788187662; bh=ZJ2cDi7p2lGLgMdSGSLvUGByJ6pdyguDUdt1C3jVMEY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=TtR08xk34nMJJUbAO9GFJQWzH6EBM0rs1JV8zJGXVoBJ7JlWOPOPDO+D7DFfrcJsj Qwgo01bhJEofWm0Vp2J2P8X3bFTo+h9ELtdcZDVtNCiteD2K5tq8q8Bl3Va2BAXDoc H+XHOqfhDZ4j0Cn8HErbg8II7h0R6/DaUGDy/x9fgNZq5EloVHyf2BDaD8zxoUCQPw M5bD3ScFXTawCiWXVFJhjFxaUwBW5ed1MWycPCfOr1M/evZPGdwiVyMXaMMPpvj/sD Of+R2tWn2YPmF+2VVgCCe3eKKylQf04gSioaHVVx9auUDPFs5Wv+r/RiSOC41141qv TplFkYOjSEIEA== From: SJ Park To: Andrew Morton Cc: Asier Gutierrez , "Liam R. Howlett" , David Hildenbrand , Jonathan Corbet , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Randy Dunlap , SJ Park , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , damon@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v4 3/3] Docs/mm/damon/design: Document hugepage_mem_bp target metric Date: Mon, 31 Aug 2026 07:47:30 -0700 Message-ID: <20260831144732.80910-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260831144732.80910-1-sj@kernel.org> References: <20260831144732.80910-1-sj@kernel.org> Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Asier Gutierrez Document hugepage_mem_bp metric exposed by sysfs. Signed-off-by: Asier Gutierrez Reviewed-by: SJ Park Signed-off-by: SJ Park --- Documentation/mm/damon/design.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/design.rst index aed6cb1cf4831..a8c163475ef2b 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -713,6 +713,8 @@ mechanism tries to make ``current_value`` of ``target_metric`` be same to bp (1/10,000). - ``node_eligible_mem_bp``: Scheme target access pattern-eligible memory ratio of a node in bp (1/10,000). +- ``hugepage_mem_bp``: Total huge page to total used memory ratio in bp + (1/10,000). ``nid`` is optionally required for ``node_mem_used_bp``, ``node_mem_free_bp``, ``node_memcg_used_bp``, ``node_memcg_free_bp`` and ``node_eligible_mem_bp`` to -- 2.47.3