From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qt1-f181.google.com (mail-qt1-f181.google.com [209.85.160.181]) (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 F00623E51F4 for ; Wed, 2 Sep 2026 23:48:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788392905; cv=none; b=JGr4/8lmmpnE1opiQjfHQjjESPuXWgHR7PPakr/9fGvhnOqZx6tqEJRGVZCGdtpx4Pr48cj+Md8gsHTP514W9mLidTYzxfAdn+t+/jIqq3OlTGbafzSfBc/8hi8EsmXh3+1Jp2oVnRQkXRpk+uP9jXV6m/vOm5ZJNTKk6PONsmM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788392905; c=relaxed/simple; bh=ChURomuOnORI847v97u/pFZOv9VDFxC8S3QptbUYh9E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cH2MYrT1zHCGmiarSgdqZwIy6FqPjK0CL4vNV+5qTKiC0sDnqUMynFzbcpXpEms1A5k+WcixYotJf6IZKqCs8tZEPOa40a9OlWgcWSXgW4XrF+m7OCNwQyrUU5mK8agu6qtI549J9gpfUza34GQV3vkZMqXiGdBSpOR5s8Yx/Ik= 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=nOUApy5F; arc=none smtp.client-ip=209.85.160.181 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="nOUApy5F" Received: by mail-qt1-f181.google.com with SMTP id d75a77b69052e-51bfad59921so18354211cf.0 for ; Wed, 02 Sep 2026 16:48:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gourry.net; s=google; t=1788392900; x=1788997700; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=Jkgrm/ILoyMvWJ0vGraMeyhwgPKQ2+DFDrLrUyj3wEU=; b=nOUApy5FMxsCxs2b7hYinc7YdJQs2ZcjqYNbeZppF/eF2+/67zwSAgmloEFcpDue02 P54nFYf296qVrmJJuegcSdiHs68XuhQSMHCyGDtg63nDfvdscI6xcT3ItSF++RiEE9ca /8FZvgxzQB1kQo2bIAiVHcDxvJ1dTCNcXSASfUT7Bzf1RppaVK9UBSuwRDezXg7KOoMS xpTrOhaLHaQegQB4jmpU/Bp8lhna/7m6+sllQ10Ur3ubyf+7QU7b+Jx2yd8LdkhM8Hy0 bJBCpvthkD2RoAM4IMrtPlXjmBHXcT04VKzvkSyyyG19dcr8Uq9tcnsHb98DDJTbSpBK UNZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788392900; x=1788997700; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=Jkgrm/ILoyMvWJ0vGraMeyhwgPKQ2+DFDrLrUyj3wEU=; b=WN9yo6GWvmcLnQpjYFOrMLhtDTQu8+6NBy6Qq6U9qj16iKfXEvJdGx2AFsq4kT613w sxvSOzp4QV9pMYYfchN8QRkyKPguSWlvSft0lj6gIRTJGiEEfSxP3uGUiEFsBbtMQzfJ hy0/EF8YvzBXeutzzHh7EaqtrqnCS+ZC3jEgR6+S/h8tggiJpWriF5FLXhRhYIlmeDh7 /CXTGveYXsUIVl/4zssw37TJ1zSaUI3EYy4lIm7TcT771XcbwMGfhAf4lq6ZBKwGq1Ja 3eWgF5M1/fyNNEglxiqkEV2H4LdvAQLm7RrgGckmL253y7oD7igF91uvvnsAkQk6HwTH qG0w== X-Gm-Message-State: AFuF++lFDD6MPf823S2P8DtA6wQgiKwyqeoqg7C5yBrmOiPboDfJMBOt CRb0q9YeHKJnk6pftSFcDbZtQMlp5+GUKrCIAgOJ+bUYlnRaNqWNL/tlJj4sMTSpoOQ= X-Gm-Gg: AYBFou2orO6ts8qdf/vCKK6UhpuVhKjX28vsklE/M9/D9JY7bncjOXGeJ3l5A5kN1yF 5gl36sXhqFAL0uPpvJ5tx70ImcYKoEKnHFIROwwXDvW8GpRXK7XnyCCz5SfNExEVYJwdkGgJd6A drUkN39UU8/IjshgN2Ob3ThQm0wPcLK5SgNqalvEy4E3VaR3gmYYn7ye/+AH5NZW/oS5/OioKWA oQ8Q1AO/XoQ5bVNdn9oYJclZ4F5y40B4X1MFwfNNhzFCAHYB+/Xq/bpD+3g0b5Pp+Z1qbj2tFkZ DuLRsHmCASSRd5gcBmo76ef/vSO2jpTLEGKRzU+Puk+3UkYmYoCLRO2oz1HuA/dBUVoFBpmIHnC LnBTiZP//NyVn8YwCczoa8TmumPrfKV+gq5U9/ztTxUoTsCMkpTHwsuSxuGaU6qFeuX5Cxw1IpQ ZzLEIGUJ741I5CvV2eAx+XdSNWxN9Idkad8ER//9UZoQDU7SotsIXqLd9+N/lsmMeL/IYNjTKUn If9dl9Q6TxwNV93U+HnjfUZofUYQoC9mfvGjq8kCX2X X-Received: by 2002:a05:622a:3cb:b0:530:27a1:88be with SMTP id d75a77b69052e-53036d141b3mr104316971cf.30.1788392900530; Wed, 02 Sep 2026 16:48:20 -0700 (PDT) Received: from gourry-fedora-PF4VCD3F (pool-173-79-60-52.washdc.fios.verizon.net. [173.79.60.52]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-53033277f37sm31280861cf.30.2026.09.02.16.48.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Sep 2026 16:48:20 -0700 (PDT) Date: Wed, 2 Sep 2026 19:48:18 -0400 From: Gregory Price To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, akpm@linux-foundation.org, david@kernel.org, ljs@kernel.org, liam@infradead.org, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, brendan.jackman@linux.dev, hannes@cmpxchg.org, ziy@nvidia.com, balbirs@nvidia.com Subject: Re: [PATCH 1/2] mm: refactor find_next_best_node to find_next_best_node_in Message-ID: References: <20260902215853.156267-1-gourry@gourry.net> <20260902215853.156267-2-gourry@gourry.net> 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: <20260902215853.156267-2-gourry@gourry.net> On Wed, Sep 02, 2026 at 05:58:52PM -0400, Gregory Price wrote: > find_next_best_node() picks the next-closest node for a fallback list > from the full N_MEMORY set. Refactor it into find_next_best_node_in(), > which takes an explicit candidates nodemask. > > This enables building fallback lists with non-N_MEMORY candidates. > > No functional change: every caller still selects from N_MEMORY. > > Signed-off-by: Gregory Price Just realized this should carry an Ack from Balbir Acked-by: Balbir Singh see - https://lore.kernel.org/linux-mm/62bf02dc-dab1-41bf-8204-eb3566628b93@nvidia.com/