From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f47.google.com (mail-qv1-f47.google.com [209.85.219.47]) (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 97CF81A2392 for ; Tue, 21 Oct 2025 18:57:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761073052; cv=none; b=NfjL4o3epjwYT+2EgkN5uVzYflA271vYuNtKIZTzOCwRJSjJJeUQeP+UhtyIfBeXnqCR01RKYcTAMMfGUGIRlI004Ra7TIZgifsCd2/enZ9rqM/asOxX0LeG9g3zBZWrw4NHrJPa84tmgFV3KGZh3PvT2q5jWvTvkGUcQnWfV1M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761073052; c=relaxed/simple; bh=ICHOJfBAiMA3GFWxx6OGyhDRRndASzHR7RV9fm6Nan4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lc0k8lMIznxgjo5+XGl88Gum1hWQdUjGz1x45pLM2A72gQ0Zuwi9ZJYT5eEYyloUr1dnscyQQoiqsWUpvV1yh+VLO0sbkr0pXMw1I4Dw4Pb91qrMxvC4umG0Kpw/Fl37Xd9ozPYuU4VojpJbO64MqFpp64SWwuoICgmWCbkz9bI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=gourry.net; spf=pass smtp.mailfrom=gourry.net; dkim=pass (2048-bit key) header.d=gourry.net header.i=@gourry.net header.b=gwLAwt2X; arc=none smtp.client-ip=209.85.219.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=gourry.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gourry.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gourry.net header.i=@gourry.net header.b="gwLAwt2X" Received: by mail-qv1-f47.google.com with SMTP id 6a1803df08f44-87c0ea50881so123921006d6.2 for ; Tue, 21 Oct 2025 11:57:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gourry.net; s=google; t=1761073049; x=1761677849; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=ICHOJfBAiMA3GFWxx6OGyhDRRndASzHR7RV9fm6Nan4=; b=gwLAwt2X9UzSNZOLzLIJPQy8OG+XPfvvDIzacbkWAJ6nNzGx9cjwsiVqCb40kzUsE4 ZLh9gmTbs0xx8uGF12GTJmh01O3SSv6JsjRzUp5hl67cGNa8pJrFI6BEmYURRV1ijK/B n8XHtJUctmfCdkWZdUnTSqPlhcicOKA5SKq8Yma/nLZHf+oPyvUM7Q53YbDvQFefUTXy hwJ5QcSmCuecv2u4Hs5ugHlAl9kAnNnr9aeh1VlFtnUejmd3FhAJYtn7+vKrxKZgjQGO rXysTGL7BB4dkoayG+SyXFve9iJPEG7y4hqFZjFMl5R2ZyXYtjdRAkIUV19Kdows0/Oo ZyMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761073049; x=1761677849; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ICHOJfBAiMA3GFWxx6OGyhDRRndASzHR7RV9fm6Nan4=; b=MAS5BMcz/4An7OtNHtPvzTivFUav4yrTqb5al1g76loroGXbUleWyrsCHm0HtYcnuz mWo6wRwkps/ZRyBYy3OY7oifhD2H2SneHmzTnmXk9hZigiUZDi1BS5BrHm5fdik2rYrZ lzHXAeCuvj9VknOwMkHTR+cdw42NVi8rTHhGGh46iDbHW3F/wtJ/KCiQ9fTPpb196Yb+ WFFMge6JCw+rIM5jHfnUPSkEekHmn3wzZaExYgBFCIWmm3DwI30X/9CSryvEa0NivkSM v2YL9WxO153qi/QPuCM2UkI+rCiuOX/7QyppK3QbCXC/p2aWsPAVjeynQhJ4vAU9NKWQ YpFw== X-Forwarded-Encrypted: i=1; AJvYcCUicDizZHzKohmtTT9A7clowyj7bUls+KZq2Xrw5xtnlLQaTVroxLj05N2Q4UsUyqG+P9qbg1OSNHmgRSo=@vger.kernel.org X-Gm-Message-State: AOJu0YwNNLFuUwNC3YJnwOUUXwJgtplGmlT4if8GcVyozz8Yd0b8TuTe +0lS53yVIXmVnV31zfEo65OT8DVK+oF6S8RoMfwGbnHmuTU30vMZTsYbkrbQJB8ZYzg= X-Gm-Gg: ASbGncslS/hspFKw/E1NL53GmZLuDKTivpqj/Yzpct5sTY09Cjwr38KDSzzmYmdk/W9 E7CoQzMiRbeYA+1U4gCwhedyk8uf32LQcUKmxM9S2oTl8An6mSIcg1s1fqh50y/7KKIPJcGh9mo GJG2WWi2DvPLSJp6WZUE9AQIKiU/U+BI87SXYTGtWi8kGAQS0WKNacBU3+DpYJdoaMO39WMyDiF AginOjPsOVWTWLGVrHlFxP89lluXgyNmIZ/AviCKQYx5G8IqYa25r5aOygwNv5c8Yr9iFZ2vzi6 QNLHf+mx80pNF3243gD/+une7uIosUTO1nVf35eqSfWOHbSTn9ExXnSCsj8Fk6JDOHcX0FkUTOy HzX8SInHqVpAtOiETjd4VTtc3PSNAlb9MgY2UZ44HDPLHQfdCOIXD2SDh5mgYCRtdRfAZ5fucdF GM+DxfU1JyRV31ht7BInR+LVlk9cj6XANwG9IllkhhIydFd4wggxSFssNbAiQ= X-Google-Smtp-Source: AGHT+IFfs2dfEPPNJsfvZRFCqEjEBAjB/pFkbuIYcg+kdR54i+7DW1sSnKYu8l9TMPmKxu8MbgRFWA== X-Received: by 2002:a05:6214:489:b0:87c:64e:e1a6 with SMTP id 6a1803df08f44-87c2056af1emr184471716d6.3.1761073049484; Tue, 21 Oct 2025 11:57:29 -0700 (PDT) Received: from gourry-fedora-PF4VCD3F (pool-96-255-20-138.washdc.ftas.verizon.net. [96.255.20.138]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-87d028aef65sm74522236d6.50.2025.10.21.11.57.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Oct 2025 11:57:29 -0700 (PDT) Date: Tue, 21 Oct 2025 14:57:26 -0400 From: Gregory Price To: Jonathan Cameron Cc: Yiannis Nikolakopoulos , Wei Xu , David Rientjes , Matthew Wilcox , Bharata B Rao , linux-kernel@vger.kernel.org, linux-mm@kvack.org, dave.hansen@intel.com, hannes@cmpxchg.org, mgorman@techsingularity.net, mingo@redhat.com, peterz@infradead.org, raghavendra.kt@amd.com, riel@surriel.com, sj@kernel.org, ying.huang@linux.alibaba.com, ziy@nvidia.com, dave@stgolabs.net, nifan.cxl@gmail.com, xuezhengchu@huawei.com, akpm@linux-foundation.org, david@redhat.com, byungchul@sk.com, kinseyho@google.com, joshua.hahnjy@gmail.com, yuanchu@google.com, balbirs@nvidia.com, alok.rathore@samsung.com, yiannis@zptcorp.com, Adam Manzanares Subject: Re: [RFC PATCH v2 0/8] mm: Hot page tracking and promotion infrastructure Message-ID: References: <20250925182308.00001be4@huawei.com> <20251017153613.00004940@huawei.com> <20251020150526.000078b6@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Oct 21, 2025 at 02:52:40PM -0400, Gregory Price wrote: > I would prefer the former, since this is already what's done for > hostbridge interleave vs non-interleave setups, where the host may > expose multiple CFMW for the same devices depending on how the OS. bah, got distracted "Depending on how the OS may choose to configure things at some unknown point in the future" ~Gregory