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 7AA3935E1AE; Tue, 14 Jul 2026 14:35:55 +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=1784039756; cv=none; b=QKZkWsW6udgp54XRllZB9+2FkmRA7lMK/rxymzWNUqo+lZZKPDAnK2Wqe3dil6Rcmv6NYbl8COPO25CSzY3dRLTcgd8MmgOMAnuqLBgnax1WkjmoAiDcG/fDGxpmn9SG+/5Q9mBgkhE5GNdXXEaLY/OHpcrfg10Yi8WnJJaec/E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784039756; c=relaxed/simple; bh=fu4rX0sucrNYxb0wQo+OGMJNku3uz4oeRu7UN4CO5Qc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=b0fuUuIHNLEhjdR4sZbqlYImdxW/Rs8UUeUj3PlPGFwu8SwWASlxKred5q4mOPLlSW2yNn/5FvkaeTZ/eDSDUwvUPAYyHb4TdbqTlK3E4IFTuZ4n+1gGrY8n7KgUDB8YmSHRJWG8eKS2ZIkpoaWDNuFxWCZaADUq52tEYl85dRM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eE6LKRDT; 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="eE6LKRDT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 04DF31F000E9; Tue, 14 Jul 2026 14:35:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784039755; bh=BL9Gxm8Mv/zd9x7MZsEklN154y2t4/YkAY5BKQKrvgM=; h=From:To:Cc:Subject:Date; b=eE6LKRDTtiHq1wR48G6wWZe/4+45GdqWe+7vNBA7shEax/GB77NATk2vFuS9iQsQS rR6fqCtv0inb9K7uuL92T2QrFqBOlY85AjGERbZfLEbPYACw90/4jlV7bVIBIBTFW+ iYmksHeTst3/IWysTwFmOGSeKIa8aR1TY+Tn8K3P9zo66GhaYgys6osSF8x+DWs5IR 4LiHCIUeEV2LzhY+997Ii+bmz+TgUKkvjzWuCFMmPWfTOL9CMM96SPChhGA4taTPbt mb+T6ehY1zr40/5hv4FLHaBLlpuhMq4cZlbQlRQ/T1H8rJEwk3HUCzOLgvFQ5ngtOo TnDjtR3+Bh/Dw== From: SJ Park To: Andrew Morton Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 00/10] mm/damon/core: hide core-private struct fields Date: Tue, 14 Jul 2026 07:35:33 -0700 Message-ID: <20260714143544.101305-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 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 core structs hide core-private fields using 'private:' comment tags. It is incomplete and inconsistent. The linked list heads in a few structs, for example, are intended to be hidden, and always be used using the wrapper macros like damon_for_each_region(). But those were mistakenly marked as non-private. A few core layer-only fields were also mistakenly added as non-private. This only encourages callers to directly use the private fields. It is easy to make mistakes, and difficult to control. Mark all such DAMON core struct fields as private. Patches 1-8 mark the private fields for damon_region, damon_target, damos_quota_goal, damos_quota, damos_filter, damos, damon_filter and damon_probe, respectively. Patch 9 removes DAMON_SYSFS's direct access to core-private field, damon_ctx->ops. Finally patch 10 mark the private fields for damon_ctx. Changes from RFC v1 - RFC v1: https://lore.kernel.org/20260714043437.95811-1-sj@kernel.org - Drop RFC tag. SJ Park (10): mm/damon/core: hide private damon_region fields mm/damon/core: hide private damon_target fields mm/damon/core: hide private damos_quota_goal fields mm/damon/core: hide private damos_quota fields mm/damon/core: hide private damos_filter fields mm/damon/core: hide private damos fields mm/damon/core: hide private damon_filter fields mm/damon/core: hide private damon_probe fields mm/damon/sysfs: do not directly access damon_ctx->ops mm/damon/core: hide core-private damon_ctx fields include/linux/damon.h | 110 +++++++++++++++++++++++------------------- mm/damon/sysfs.c | 2 +- 2 files changed, 62 insertions(+), 50 deletions(-) base-commit: 4c0f8c26ecc149f268b6c488e6cbde2a4e58160a -- 2.47.3