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 9153A29B764; Wed, 11 Mar 2026 05:29:31 +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=1773206971; cv=none; b=fS+tt1bfirYXy+nLjUrOgVMuEMu+2q8f3HWaZS5jqCSVXuAVwc/yWOvbvzgYkIXruTxhiiBVmSTxEOkmpJYJk8GVImTjamHQU/oAp1zASNUo54BAYIZAkn6jXA7Ic11RxotVyz1O0ntHvK7d9Ewkx6x7tqH9nVzkmHaYmxdCYR4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773206971; c=relaxed/simple; bh=MsnD34og9TPgOPIjlBEppgUcQgWLwRdH7Kj1yj820Oc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Lbf6Y+eE+Z+CuizjyALdw/3ZZP7YtYoGZnU66TrHkG7St4jgQv3sDKeyA+5Nuqn+ysnzJDXWB7ab+8cWWCwg3GEP7GQfjpV8aAFA9vImRcZS5E2LImWlAiIH8E3fmb4y1ceeAdXSIJvO079zdjrp3DyWsrwDiyQhKCwn0a7fUxE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s1ECR/9t; 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="s1ECR/9t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EEF7CC4CEF7; Wed, 11 Mar 2026 05:29:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773206971; bh=MsnD34og9TPgOPIjlBEppgUcQgWLwRdH7Kj1yj820Oc=; h=From:To:Cc:Subject:Date:From; b=s1ECR/9t3rMYltdpRky5k4tc5oi0AN31gSxiMHV1z5ZEZ26Xx2H0XdUiOunVwNmPu sNxYd8F4VK4ukwHspGVYDQ2cf5gZ+3026sLj9xy5Dvgh8YIg+XSoPZ0BSCGWxZ8VCd Mr92YciAtrqdr3Wuizf469sMc+u7//DVnRf4emCHMSdmlt9m6RD/u9W0owd5HBUfYg FXN7y62KbjqnoY8/pJhbP1lmGzgcspQXN+M0JNVhM2NcbCJJMBCj4jr4qj2Hji+Htu 4TlH4JmPy8GD+nVtKBvPralqe1WeI/UFIR2/YzFjBV4n9soJlSpAP5gam+3x7T2O7T XwVOuw/DaGNNA== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Yang Yingliang , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 0/5] mm/damon: support addr_unit on default monitoring targets for modules Date: Tue, 10 Mar 2026 22:29:21 -0700 Message-ID: <20260311052927.93921-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit DAMON_RECLAIM and DAMON_LRU_SORT support 'addr_unit' parameters only when the monitoring target address range is explicitly set. This was intentional for making the initial 'addr_unit' support change small. Now 'addr_unit' support is being quite stabilized. Having the corner case of the support is only making the code inconsistent with implicit rules. The inconsistency makes it easy to confuse [1] readers. After all, there is no real reason to keep 'addr_unit' support incomplete. Add the support for the case to improve the readability and more completely support 'addr_unit'. This series is constructed with five patches. The first one (patch 1) fixes a small bug that mistakenly assigns inclusive end address to open end address, which was found from this work. The second and third ones (patches 2 and 3) extend the default monitoring target setting functions in the core layer one by one, to support the 'addr_unit' while making no visible changes. The final two patches (patches 4 and 5) update DAMON_RECLAIM and DAMON_LRU_SORT to support 'addr_unit' for the default monitoring target address ranges, by passing the user input to the core functions. [1] https://lore.kernel.org/20260131015643.79158-1-sj@kernel.org Changes from RFC (https://lore.kernel.org/20260305053918.83786-1-sj@kernel.org) - Rebase to latest mm-new. - Wordsmith commit messages. SeongJae Park (5): mm/damon/core: fix wrong end address assignment on walk_system_ram() mm/damon/core: support addr_unit on damon_find_biggest_system_ram() mm/damon/core: receive addr_unit on damon_set_region_biggest_system_ram_default() mm/damon/reclaim: respect addr_unit on default monitoring region setup mm/damon/lru_sort: respect addr_unit on default monitoring region setup include/linux/damon.h | 1 + mm/damon/core.c | 36 +++++++++++++++++++++++++----------- mm/damon/lru_sort.c | 7 +------ mm/damon/reclaim.c | 7 +------ mm/damon/stat.c | 2 +- 5 files changed, 29 insertions(+), 24 deletions(-) base-commit: 31ae3f4d2741372ab511aeefc5e6898d12971fcd -- 2.47.3