From nobody Wed Feb 11 08:37:29 2026 Received: from mail-pf1-f170.google.com (mail-pf1-f170.google.com [209.85.210.170]) (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 26F9B136E1D for ; Mon, 20 May 2024 14:31:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.170 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716215468; cv=none; b=QFEc9pnOFW18B262lc4+WQ0zfK+XW0KjMQUS0TjhTmfw+QHrSuE4kBuKdgd+17/OHpP1VblLg4NI7WGqHuVNg0L0Qi5is+/Pa9zsEduhubufvbJ3odMzZPqPKN2CmM8CluOCWrV7VQ4NH0BtoEY6odVKrzRSQllG9s3sjxwrkx0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716215468; c=relaxed/simple; bh=Vark2tHasfjiq5qm7fVNYZJGTwQjSUnZIgp4elkLUqA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=vGuJ/LB5I6hI782oXfGThTPkgkzc1slSPhwMch5D4nzE421uca0orZn9G3AeeoeItiFr+qr7Bi2Ik/ai4itD+a6iecI4ZQvP004ERjui8QMy/fSO3QDpFTthN4gZ7YtNCaaUnAeBKxMF8lJMS/RaCldSU7FBk2UToNiUSr+pORc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ajou.ac.kr; spf=pass smtp.mailfrom=ajou.ac.kr; dkim=pass (1024-bit key) header.d=ajou.ac.kr header.i=@ajou.ac.kr header.b=K5JHk9/f; arc=none smtp.client-ip=209.85.210.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ajou.ac.kr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ajou.ac.kr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ajou.ac.kr header.i=@ajou.ac.kr header.b="K5JHk9/f" Received: by mail-pf1-f170.google.com with SMTP id d2e1a72fcca58-6f693306b7cso539688b3a.1 for ; Mon, 20 May 2024 07:31:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ajou.ac.kr; s=google; t=1716215466; x=1716820266; 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; bh=ZNZVb3aalyckzv+MvkSwf98x3ypuajbAEW8swaTd5w8=; b=K5JHk9/fPPa6SXii1GS/N+jC2E0xSgz3/Ay0ru/TCIXO3xFsTEdQFHau/f0cI1EIjh 0Rnu6vADOkhICeMmk2RAto2r2ReU/aVq6gIVfzD8da2ZJcoM/K0MiiCoZOnFX+AyIIAb SOm/w9+LOufmH48Tuk61+eapDZkvddQNqMjR8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716215466; x=1716820266; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZNZVb3aalyckzv+MvkSwf98x3ypuajbAEW8swaTd5w8=; b=rs0MSZKPwfhIxtUWZ9QwcV4ABBoJzqAZ+r29E3bvO24FCALlB4ouLiqE2b6/x+lQbL DetOAom4uUUbrO3W3EXRnEIz3LcoapKIZsDey2sigqp9fw/+gf6pVkke/ygqrY49qLzi hbvdmlIurUPoM+LbrLX3kHU5U4GPu82cZrxeVU1pp7f3Je8yIJpPhGWTVt6ecfy7CuY7 bMiMPWm1GjFCCXdNbzYzcjwLtkPLz7LFXKLINkTBzUEXSd7r1Dr7UOQI+Ho8G7xITmNR X8HCUEH6kvT+jfujMVCRwofY5tFvh3B9yeuFYZVqz32rUxsArS9+2rqaLw7EoS9kCESG RSiA== X-Forwarded-Encrypted: i=1; AJvYcCVlrhLQU/oKt8BlXgGPs37lJlnz84aOjsLw0E781NP4grRSPwEvJ7d6QkFAEPSntO472vqU0JPhpUgk4Dz/Rq1bx+wDNjSydRq6K08C X-Gm-Message-State: AOJu0Ywc5foUoiUpCeq+rhZqzNhmPV4tocRock7HI82S2hmreJlvMh3Y j4qwTzBnBccDnDC/BRbwbsj2gMYCZj5V/PQBwW77n7rcYSwEZ6Us3GEJ5yIslauK8xcGklUZKXF kXVM= X-Google-Smtp-Source: AGHT+IGTqWX6KLCAkFgNmkNZOQ7jdXH7YUcuBwf3ViNWwc7ehoGXbRn6Xn9m06QND/xMKX5Gz7ws0g== X-Received: by 2002:a05:6a00:b4f:b0:6f3:b041:716d with SMTP id d2e1a72fcca58-6f4e0296f83mr37942698b3a.17.1716215466453; Mon, 20 May 2024 07:31:06 -0700 (PDT) Received: from swarm07.ajou.ac.kr ([210.107.197.31]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-6f4d2aa017dsm19714531b3a.96.2024.05.20.07.31.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 May 2024 07:31:06 -0700 (PDT) From: Jonghyeon Kim To: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org Cc: Andrew Morton , linux-kernel@vger.kernel.org, Jonghyeon Kim Subject: [RFC PATCH v2 3/3] mm/damon: add NUMA-awareness to DAMON modules Date: Mon, 20 May 2024 14:30:38 +0000 Message-Id: <20240520143038.189061-4-tome01@ajou.ac.kr> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240520143038.189061-1-tome01@ajou.ac.kr> References: <20240520143038.189061-1-tome01@ajou.ac.kr> 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" Using the 'target_nid' parameter of DAMOS watermark, both DAMON_RECLAIM and DAMON_LRU_SORT modules can set the monitoring range to a specific NUMA memory node. Signed-off-by: Jonghyeon Kim --- mm/damon/lru_sort.c | 13 +++++++++++++ mm/damon/reclaim.c | 13 +++++++++++++ 2 files changed, 26 insertions(+) diff --git a/mm/damon/lru_sort.c b/mm/damon/lru_sort.c index 3e25a52de..ed136ccba 100644 --- a/mm/damon/lru_sort.c +++ b/mm/damon/lru_sort.c @@ -238,6 +238,19 @@ static int damon_lru_sort_apply_parameters(void) damon_set_schemes(ctx, &hot_scheme, 1); damon_add_scheme(ctx, cold_scheme); =20 + /* Set monitoring range from target node */ + if (hot_scheme->wmarks.metric =3D=3D DAMOS_WMARK_NODE_FREE_MEM_RATE) { + int target_nid =3D hot_scheme->wmarks.target_nid; + + if (target_nid =3D=3D NUMA_NO_NODE) + return -EINVAL; + monitor_region_start =3D PFN_PHYS(node_start_pfn(target_nid)); + monitor_region_end =3D PFN_PHYS(node_start_pfn(target_nid) + + node_present_pages(target_nid) - 1); + if (monitor_region_end < monitor_region_start) + return -EINVAL; + } + return damon_set_region_biggest_system_ram_default(target, &monitor_region_start, &monitor_region_end); diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c index 31b8830a8..9c0c0096b 100644 --- a/mm/damon/reclaim.c +++ b/mm/damon/reclaim.c @@ -192,6 +192,19 @@ static int damon_reclaim_apply_parameters(void) } damon_set_schemes(ctx, &scheme, 1); =20 + /* Set monitoring range from target node */ + if (scheme->wmarks.metric =3D=3D DAMOS_WMARK_NODE_FREE_MEM_RATE) { + int target_nid =3D scheme->wmarks.target_nid; + + if (target_nid =3D=3D NUMA_NO_NODE) + return -EINVAL; + monitor_region_start =3D PFN_PHYS(node_start_pfn(target_nid)); + monitor_region_end =3D PFN_PHYS(node_start_pfn(target_nid) + + node_present_pages(target_nid) - 1); + if (monitor_region_end < monitor_region_start) + return -EINVAL; + } + return damon_set_region_biggest_system_ram_default(target, &monitor_region_start, &monitor_region_end); --=20 2.34.1