From nobody Tue Sep 29 04:39:03 2026 Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D2BF78F3A for ; Wed, 12 Aug 2026 10:40:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786531207; cv=none; b=Gh7DAqbGacnrx5bbePUgSL0RN/oCbODxtN5dDjU2teYw6cGEGPikKvVozPQDjOERGD++VMtsMhB5jGJVwccplfhEOrdln9sqNJxJ8MVEGPmRDNAqTA7oHmaEpBgSYMKJE5LENHEiPdfLG752zGs8HXGMkyY1KTArKyYxJTI/vHM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786531207; c=relaxed/simple; bh=eK0hHCh+yZzclf4rIm6IurXoL5Ts7SzxFMQTEK3zrDM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GqwDGTcL56rjS3Cxu4g17pyewx6CTWppQgH1/0B2QSzngpUuoUT6y5eduNpKsEYOvltdNXpsEhdcpb54gu6LPEnhWRL8ThhLw0z87S/46Kx7zDR3J9N0gFZ4hKYVCVXd3gLpacrMuoqaN805EUrlKagz8U33T8wWBCh55u2PeEw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=W38GRUha; arc=none smtp.client-ip=209.85.216.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W38GRUha" Received: by mail-pj1-f48.google.com with SMTP id 98e67ed59e1d1-38dc69c74b8so1017648a91.0 for ; Wed, 12 Aug 2026 03:40:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786531205; x=1787136005; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=CySejvRkZl+O/T2betXJvXb5NuBv/ihH/Yp2vgUVu+0=; b=W38GRUhaNpSyUwfoKcMnxnqkGXaIrIv+C5T5+0ni6MmmEKEsMyXkewQ6Eao+JvsUSz 5cAGF6nTYTnXmhjFOhSThk9fW8U7D1oE20JHDHWfPuqA+nPSh3Okl8HZ9BRAbFyL5XF7 A7NcsLGsNo8ncnwspwPYOPQpIMMv2pUq9CRK8GPQ/xwazJAZAoq8J0nKtIrQn+SlXLwS BtUOKOBUqgD2WhTt1HZbxYHi97YvWmxsoQRE+HVEUN42JCcDjHEZ5jgO7mv5Ij0Jj6xT G1Vz/GzZHWTVDA2xKny19gy34DXkpTUiyUzGsLWiPEieXaojhOnhAv/vXdrNl5jTl8EN 7HlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786531205; x=1787136005; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=CySejvRkZl+O/T2betXJvXb5NuBv/ihH/Yp2vgUVu+0=; b=MBYsdkTI/Z0xhipJMDOoLyil+v4r87EzgONOerrcGt/DFbmnYHYYrWrDObDKetIB/t 8LJEttqd9lKATGy8HAhJSLp3hX4hAEXuOukvfjXCeEv0S+kJ2xbUi6dvw+dhzY5Br3lG Gx438bd1vKDAos9hUqh6BgFX3f2vrKwLUgbcFT1YVxYkue2cjnamHoqr4eWlI7YOouF1 gqGagoYRd1RrwJI+zaBmi3P9wOIxdbsbD9fpKFIK1hAK1EdbHOruvOQ5jtYKgxgCQuos nitRQBq0oVVTyAYAE6piSSTh28UCM6Z/+bcg6w+CLcpgG8xcKZfp0ia+LNKa0QLgDZVD o99g== X-Forwarded-Encrypted: i=1; AHgh+Roeo9Gyp6bvcCbCmcX5p8+yu8xYa9zBJQkZ1TxnOI9HGdzd57vDTjWxps8DfDkF4b46o1xrYzZ/A72vw38=@vger.kernel.org X-Gm-Message-State: AOJu0Yzkqgka8Z6XnZmC+wUTtrNKEi/gKdMC3JXFq5ONv6gjC71wollf 2mgVndU2bYgh7SWxgHDsLaJxvwGMyAqkbsyCmX+aA2nZesuThB8XLUQA X-Gm-Gg: AR+sD13OhB2FLAWg6ashhiaWlayBdD39Yv14JW6sEsERHDnAWlF/ZKlO/l+vLm054yQ I76SEvtbiFUa5QkH6ouwc1gIYp9d9U0o4CmoRotDR/TSOv7/EUULFg+b29DVXrZtsSooQqmuhup 0Bt5PmyBE5zo5zbX4weDnaxET2fY9dk/4vrVv4fsvXIVXrssUeSOXjHUf1brslXjnXaVtSq4jzU 9zR/Tu2YFEM2f5KspkP2Nwh/DfWcN0LWo0pbz8/RitVFi4i5qVO6cIDPvexgbQtqFCF47yAcZf2 V5NK4D06Laj/3inQH54R80xCb8YGxlKL4zF3WlVxePpuZDkWADsGgL1NpLo7q8p8lYwM8cXWdf2 lYEqqjJYxBCARfU0RYpfoGM8fxSUhCXUnmLeiU2l6vW8o9z4NeKv/dnBBfcaXkSzkyPZSpO0k+F BVpAFAvT3he/Owhq6ZN2tSsGvbMEBPcT9tIAn4Tqa3ho13hHHhIw9OKy9T3fvC4BMqJx494ZX0c yDYu/YEtf4KFNE= X-Received: by 2002:a17:90b:398c:b0:385:393e:7124 with SMTP id 98e67ed59e1d1-39301433f18mr3789699a91.14.1786531205162; Wed, 12 Aug 2026 03:40:05 -0700 (PDT) Received: from celestia.taila51cc2.ts.net ([2402:1980:85a:5c46:85a5:ec7:8aa8:72be]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31cf3d0b432sm9931990eec.8.2026.08.12.03.39.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Aug 2026 03:40:04 -0700 (PDT) From: Liew Rui Yan To: SJ Park Cc: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Liew Rui Yan Subject: [PATCH v2 1/3] docs/mm/damon/design: accurate semantics of nr_snapshots Date: Wed, 12 Aug 2026 18:40:00 +0800 Message-ID: <20260812104002.15225-2-aethernet65535@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260812104002.15225-1-aethernet65535@gmail.com> References: <20260812104002.15225-1-aethernet65535@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Change "tried to be applied" -> "completely tried to be applied" to maintain consistency between the documentation and the code. Signed-off-by: Liew Rui Yan Reviewed-by: SJ Park --- Documentation/mm/damon/design.rst | 4 ++-- include/linux/damon.h | 3 ++- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/des= ign.rst index aed6cb1cf483..1739aeec6eb9 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -846,8 +846,8 @@ scheme's execution. - ``nr_applied``: Total number of regions that the scheme is applied. - ``sz_applied``: Total size of regions that the scheme is applied. - ``qt_exceeds``: Total number of times the quota of the scheme has exceed= ed. -- ``nr_snapshots``: Total number of DAMON snapshots that the scheme is tri= ed to - be applied. +- ``nr_snapshots``: Total number of DAMON snapshots that the scheme is + completely tried to be applied. - ``max_nr_snapshots``: Upper limit of ``nr_snapshots``. =20 "A scheme is tried to be applied to a region" means DAMOS core logic deter= mined diff --git a/include/linux/damon.h b/include/linux/damon.h index 0c8b7ddef9ab..33914594fb48 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -357,7 +357,8 @@ struct damos_watermarks { * Total bytes that passed ops layer-handled DAMOS filters. * @qt_exceeds: Total number of times the quota of the scheme has exceeded. * @nr_snapshots: - * Total number of DAMON snapshots that the scheme has tried. + * Total number of DAMON snapshots that the scheme is completely + * tried to be applied. * * "Tried an action to a region" in this context means the DAMOS core logic * determined the region as eligible to apply the action. The access patt= ern --=20 2.55.0 From nobody Tue Sep 29 04:39:03 2026 Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E2669409604 for ; Wed, 12 Aug 2026 10:40:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786531213; cv=none; b=UCeYm7sVvqOAUwgIMSYakDQEYgdCmHtXYMUFFYO6wpLio9Ddej3xydbDHVO+WwQzwGrA62gG45uVFHj7QcQ6x1+HeVcvKYZcBbaWyvfDS93+YRCcu+ZH6bMKfZtgEMj7st7LJL7Yzg7WmpactfSU+OZv6a+zdEM60XQsnxLOuEQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786531213; c=relaxed/simple; bh=FgV0EIRlXS2pNv/yLefwn1IDpSp+NZbkwedGH5rjvzA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XUif23yFozl1qqCAYxu1M8cW2J6lADZdy/i74LbiFaJzKtqwUjTICBxnGNmW9spuETZUf/bwm2/tfTLBULNwsduZQcsIlUEmY20kZdTh/fS5dmOfIXer2RoudomK+saDIvJIGuQxer8MtJSjw8g/cGRQhmY7UGJxWeJ/uNHzcsc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=DE3/eN4p; arc=none smtp.client-ip=209.85.216.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DE3/eN4p" Received: by mail-pj1-f54.google.com with SMTP id 98e67ed59e1d1-38ea87caafeso692532a91.3 for ; Wed, 12 Aug 2026 03:40:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786531211; x=1787136011; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=JxZo8B7n4c14lfP0ZG1amHyFP5yaEQUN0LvXnBt5yBg=; b=DE3/eN4pHCYhksWvmTLY6B8mEJcQZDS0kkeMixQJxKiasagRfG8Yd/mhPcSWeDcNAW OhdB5QcI7l+Zio++Vv2KzHsKr0VP+9242dgpCqjaLzezpDtiC5fkl3SxHOS4rTb1qLr1 fMI3/WH1JQtnpqvJViAc0DRquk0rht0kId2pAi2Ck4gsCsxnBhKqTEDL8X5DTw56tznb aFVD7EGQozfZOxqnD7M/PPZNhbxzHZRePbJLRo6FtUzJEhOrsppGBhNqNWyRoUiIhcFl 56FJwTWAu8+A8hZQ/Q7qoSASrsph6Etp+SUqnpKXtlZz8miLiVF5Wn1b0a03XVm0V8BC hDeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786531211; x=1787136011; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=JxZo8B7n4c14lfP0ZG1amHyFP5yaEQUN0LvXnBt5yBg=; b=FiILFAcsZ5y4clmqLj+xuWYN8kW+niX+0Zg4SeNR44SenIUopp33YC+zRfnM+WVtIp 5tVEfRyb+skAVWQmGbuKp1RDlQpmKI2MdikYEL0c0EeQz/68m7l0hKXPZIbkJdcs+p32 Ox1aUhQ38OTK8d/kyxehxbz/2iQkB2at+qy7bJ08wz/N5opjDI7I+/RNnS52eCQOhTq1 INGa/3zhreNPJD6Atspo9RlDgx1wyhMEJ3S+vEL3vF/VvIjabKDsLp4TxFGj8Z6eazsX g00Ur6UbBOt2qb435SO43fc1bVpBHo4Vvl2g/yNULz9bgYZBSXkwcBaQWOK5TUxNluvS He8g== X-Forwarded-Encrypted: i=1; AHgh+RppCNNoeW/x5CU77D/skJ3axAwKmj1IawWuSCRPsasALUZKu7nKx5xOlrfLhBOmPgJEXR5LuO2hVc7ZkLQ=@vger.kernel.org X-Gm-Message-State: AOJu0YyqsfEgmyGbXWjeadC6zbWviJoXUlllj7BTF1RpGcMez6voXpsD njndAKK+HprhOBnfAAqwzxMST0/JHaC9kRPMlV6fSdV73PqtoWI7sASf X-Gm-Gg: AR+sD10mxj2CWi7B4ZYMimZv61qpxyOA26EqyUFXsY+ghApdq2W6jomkO0toA/7g9/d /z9g2KUd00fYkZMrC24OrX2ztVCqsiZBlWPagBP8Qz7fnmpGYiEjAUqaeWlzJRvtd3UHCPIdXO9 jZuN7i/Ns1yB8jgezeKXAxhvn1oP3TCmlkywpVbM11Ukya37YalMaYBbpY/yLOrgIxjG80CoKXh EhI0yhilY0A7U7j9D5Dyy0sWWxQ49LhAGXgq+2oqRu8HzcevXtVYtriX9Xe5LKfv0ID9Z5HXJ3M xQy+UxaiCMa0cswZsUKmx/yg4uT+67cHRuzWPDddA+tF7yp+w4ngSAAHOJw4FUwM2iSw8a+qsl9 VxMnN/69ewm1DD9TVwf36yWHZTc1itpUtaBE3MZFhJXMkciGhsgCDExXZ+n+4lKjw6DutYJvnp4 ijHMuAgGtqV55/ZHMrxtAiS8b6k6QDTL8k9OqL/XNdfvGBXl3lkRZfM1jE6/dx4dUEoyiTu2X94 P3h9NIoj7WYu6I= X-Received: by 2002:a17:90b:3948:b0:383:f52b:d616 with SMTP id 98e67ed59e1d1-393014fa36emr4204547a91.10.1786531211043; Wed, 12 Aug 2026 03:40:11 -0700 (PDT) Received: from celestia.taila51cc2.ts.net ([2402:1980:85a:5c46:85a5:ec7:8aa8:72be]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31cf3d0b432sm9931990eec.8.2026.08.12.03.40.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Aug 2026 03:40:10 -0700 (PDT) From: Liew Rui Yan To: SJ Park Cc: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Liew Rui Yan Subject: [PATCH v2 2/3] docs/mm/damon/design: difference between watermarks and nr_snapshots Date: Wed, 12 Aug 2026 18:40:01 +0800 Message-ID: <20260812104002.15225-3-aethernet65535@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260812104002.15225-1-aethernet65535@gmail.com> References: <20260812104002.15225-1-aethernet65535@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Explain the difference between nr_snapshots reaches max_nr_snapshots and watermarks. Signed-off-by: Liew Rui Yan Reviewed-by: SJ Park --- Documentation/mm/damon/design.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/des= ign.rst index 939298f2a9b9..1fcf0b8c044b 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -872,7 +872,8 @@ the action to the region will fail. =20 Unlike normal stats, ``max_nr_snapshots`` is set by users. If it is set as non-zero and ``nr_snapshots`` be same to or greater than ``nr_snapshots``,= the -scheme is deactivated. +scheme is deactivated. Note that, unlike watermarks, even if a scheme's +``nr_snapshots`` reaches ``max_nr_snapshots``, monitoring will not stop. =20 To know how user-space can read the stats via :ref:`DAMON sysfs interface `, refer to :ref:s`stats ` part of the --=20 2.55.0 From nobody Tue Sep 29 04:39:03 2026 Received: from mail-pj1-f52.google.com (mail-pj1-f52.google.com [209.85.216.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7759F429011 for ; Wed, 12 Aug 2026 10:40:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786531218; cv=none; b=KWxclU4lnd1ZPWQds03RnU+MlbCz2oF+fXH6Fgbj6lNRADie6Lb45bWfWlyXmbeFG66ckQ1ItU3D3eD0x9mTcEpHdJZK0/vHCMeEgilwnRyJqcdt49D0VVgaEJgf0aHoYfuboVmbIANIANnkRh6dkWbd7beoX+h+pmLqH7Ea1bg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786531218; c=relaxed/simple; bh=2I+1B+A6lfClYXCgovEXx02WRIJ9oH5CQgeIM39TVAk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jX86JHxGUsEksFlYbu+ZORGL/Z5BvkqDx2mQ3xgBOiuldQu1PFSl9caIZrlwpINnLlg4AaoH3vNjzQOMuMrInO3YAB6DeG6A7amqwrZip57Z5AkkHKo4eludHJfXiQc/dsiTsj1mgebm++v7cnL7/Bib8VEanKyhrX/lFOnSTLE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=QbhPo4bV; arc=none smtp.client-ip=209.85.216.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QbhPo4bV" Received: by mail-pj1-f52.google.com with SMTP id 98e67ed59e1d1-38f0f132f56so1775106a91.0 for ; Wed, 12 Aug 2026 03:40:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786531217; x=1787136017; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=qJ+Hxoz344ZJ6+13dkxOMiOcxZbShSOPZl6HyMgRs+M=; b=QbhPo4bVv6j0bFLi3/6j3k6GiKIf45BkOQFj9Q3DOjkEw5qVx1QsdWjodzB6nTb78F 20sd6fKCv5laEx7fF3O0ZF8B+kHT3Prv0F7bXXl6ERgN8Lo43T045/UvDLzwzTlgGKqg S0o+/SVJd/82jA9CgZQJiefVOn1pHySC9NvF2hA1rlLmdr0fZKZ+AEpfXqG0lBAd43xX DkYEsh2q7BK+GE+CFe3sJN+BMnHPVRFHX0gmCvf/U1zWY2+eg6lm060q/DDWJq31M4XH N3JdgJYKvOyJx64Vzt/7ke6eo4HwumOoHNfWBRk2kkSjnJopvIoO74a9lgQuL7i8jpUM 5PwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786531217; x=1787136017; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=qJ+Hxoz344ZJ6+13dkxOMiOcxZbShSOPZl6HyMgRs+M=; b=lsE1NRWl/zxhASq87Sk11AqdZkBsDVCUDpl/4tKvZ0dxI2912CzoWAQhwe29PChsvg L2DF7dFeLHo/qk/i7dFaSeimpetH/jkiWwQrXLoHqTYUbC2Qer26l31BD9afRaIcOWF6 KhYNBLKbFqiaDINYRnnkRnX5GIogRv4gi28I3hk2xDECBimT0nxp0v39he6wW/UKIYJO q1YZ0btj3Q9JqYBNx3BYUFmWgnVQpmWHweisBsHxm4NC0ayckjM5C/n4LhsNmMXCzt+W Hzi9msFahEp6iobDIICQ1GAHZJENWUCYpTYJUjRb6jt91B5B/+dXneNcAsvVoOSJvI6z fTLQ== X-Forwarded-Encrypted: i=1; AHgh+RphQsTbxryqa1wWVE2o3eSWbZkO/hC/VTcbZ5TYEm3GobakajPb1jA4AgyHsDgl32AqW5XtoidvPFSpvFE=@vger.kernel.org X-Gm-Message-State: AOJu0Yy2qLOx5B9Om7BZniL/YBN6Qe8DvQh38c/ucswSk8J0MzI5ouor 4J5abu0i6DdfP32BbxlUKfS1PTYVuSnNUmhNVeown+ajxRBRVmDvxfjQ X-Gm-Gg: AR+sD10tG8R4r8oZvUIWI2ltLQ6/ZoIbwHE40gStNhXKtm2m1BMAZVc+niGc3SNHDkV qy68/KIyQGJkcBLyfCsUTZcc1BrxcfkVxNbgMXP4vc34oeUmfF6804tUG0Vctw1OIrO9/GHZrWZ efKj7ftxacemt3BwZRs07FDx2twnWCR1kqcqLD5+cwD+RAgNAwXzMbAcnUAVEO8RM8ue+htiXEB u2fwKFK2rNhltC6DbZ7Ex08LcKueXdHmzTKXiq0KlCrymBtjV+QeKVNkkHyt8Rf1qVrJX/q3bRi E/ssoBt+z5kodCkos7aZsuwRr2dd+O4EtRx+PkHuUm4XP4Ri3FwJzRUKxh6jHX98Z13UqYu4Ehl q+Yrl9FgAMH58d//5YoxKn6DgvA0sqXbZhkeha5g62ID7rw4TgYmEX8+cxYkLge2i0/O7xm/OlM 3mM3JgtfLpXMTrXZ7zsabYQ3TjSLMFu+msXFjw9WDLUZ/z/ty0xRPyGrmh5A/ez3N70hT5FVzXE KPuqLA/Atw7r7CbisASYBpCCA== X-Received: by 2002:a17:90b:5203:b0:38e:9784:dd47 with SMTP id 98e67ed59e1d1-392f3f08abdmr4412175a91.1.1786531216574; Wed, 12 Aug 2026 03:40:16 -0700 (PDT) Received: from celestia.taila51cc2.ts.net ([2402:1980:85a:5c46:85a5:ec7:8aa8:72be]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31cf3d0b432sm9931990eec.8.2026.08.12.03.40.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Aug 2026 03:40:16 -0700 (PDT) From: Liew Rui Yan To: SJ Park Cc: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Liew Rui Yan Subject: [PATCH v2 3/3] docs/mm/damon/design: fix typo of max_nr_snapshots Date: Wed, 12 Aug 2026 18:40:02 +0800 Message-ID: <20260812104002.15225-4-aethernet65535@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260812104002.15225-1-aethernet65535@gmail.com> References: <20260812104002.15225-1-aethernet65535@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Fixes a typo (nr_snapshots -> max_nr_snapshots) and corrects a grammar error. Signed-off-by: Liew Rui Yan Reviewed-by: SJ Park --- Documentation/mm/damon/design.rst | 4 ++-- include/linux/damon.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/mm/damon/design.rst b/Documentation/mm/damon/des= ign.rst index e7977f005ac0..d1dd9050ebf4 100644 --- a/Documentation/mm/damon/design.rst +++ b/Documentation/mm/damon/design.rst @@ -871,8 +871,8 @@ action is ``pageout`` while all pages of the region are= unreclaimable, applying the action to the region will fail. =20 Unlike normal stats, ``max_nr_snapshots`` is set by users. If it is set as -non-zero and ``nr_snapshots`` be same to or greater than ``nr_snapshots``,= the -scheme is deactivated. Note that, unlike watermarks, even if a scheme's +non-zero and ``nr_snapshots`` equals or is greater than ``max_nr_snapshots= ``, +the scheme is deactivated. Note that, unlike watermarks, even if a scheme= 's ``nr_snapshots`` reaches ``max_nr_snapshots``, monitoring will not stop. =20 To know how user-space can read the stats via :ref:`DAMON sysfs interface diff --git a/include/linux/damon.h b/include/linux/damon.h index cbdf5f77978e..4b0d2d2e4ea4 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -549,7 +549,7 @@ struct damos_migrate_dests { * * After applying the &action to each region, &stat is updated. * - * If &max_nr_snapshots is set as non-zero and &stat.nr_snapshots be same = to or + * If &max_nr_snapshots is set as non-zero and &stat.nr_snapshots equals o= r is * greater than it, the scheme is deactivated. */ struct damos { --=20 2.55.0