From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5AE7AD4A60A for ; Fri, 16 Jan 2026 07:59:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A323F6B008A; Fri, 16 Jan 2026 02:59:52 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9D62F6B008C; Fri, 16 Jan 2026 02:59:52 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8EBD66B0092; Fri, 16 Jan 2026 02:59:52 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 79CAA6B008A for ; Fri, 16 Jan 2026 02:59:52 -0500 (EST) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 16C1E59700 for ; Fri, 16 Jan 2026 07:59:52 +0000 (UTC) X-FDA: 84337078224.14.0349227 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf21.hostedemail.com (Postfix) with ESMTP id 903DD1C0009 for ; Fri, 16 Jan 2026 07:59:50 +0000 (UTC) Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=aESshZcc; spf=pass (imf21.hostedemail.com: domain of tj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=tj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1768550390; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=hNpeiEfqfb5v+GFKM1ueZeBl9Z2KfHoMyNHf9Z49WOY=; b=SMyN0oj1ZE6h37XPczhzb54obIlgIFIccd68QQt4LN7XpV1EW6RFKYm0TQIzLvWdfCAVfi ASCRIr1xvD9hKzXDU8m5Spge39FuBEfriK2VVG/hut2fsIuVZlO+b/n5ygptK1VayuCR3U GN9u91eStp/ijwN2nWsFm0HR30NTPaE= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768550390; a=rsa-sha256; cv=none; b=05AVNYDCJkfLrTPgU0A741JKiokaiwLGeVXQXHlWkEympQzt9b4zSD8kv5LBmyyGwLdznl uEcOmDsEh+X/EM1PR3Dm6lrFJJlWvtqjODwDjAacxThbm+W42Yckq5TwgPZ0z12PP02y0e YmFGLM1Juwz2JoxhXgAUW2i6WdhiFTg= ARC-Authentication-Results: i=1; imf21.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=aESshZcc; spf=pass (imf21.hostedemail.com: domain of tj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=tj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id BB42360160; Fri, 16 Jan 2026 07:59:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4BA65C116C6; Fri, 16 Jan 2026 07:59:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768550389; bh=L+y6jRHplfRtYsjc5T172/xkJ1SxXn11VcmlD4pgIQ0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aESshZccndDY41NnlA9q5yPG4LaNj79dJ5mXbpEwuhodmzeq3bDfg7GI8WprivmzK laWzczeVqszUUwgOvOxgp2c7e3OdoQupx5UoJ1ZrHXzS3fTu6uWWuri6XibM58ufnr M3f3PNJ4/wOOkOtW7gfdaWVnBS+OQ4FUKCgV+VtGkTQEKBFNUr37k8xLrtVtMTF1JL JLBe/CAvxw2IODrMj9Vrredzqvgt98Ni9Rt8T/gtf9COE/J5LGDrkuqfFS2Jqfd0jO 5193b9DhXQK6zgu1QnV3pv3AwlGc6Sf70Hnu512ygyWORyXdzbsRknIw9sVkhVpNK8 J2AFcbLnudAiA== Date: Thu, 15 Jan 2026 21:59:48 -1000 From: Tejun Heo To: Yury Norov Cc: Andrew Morton , Alistair Popple , Byungchul Park , David Hildenbrand , Gregory Price , Johannes Weiner , Joshua Hahn , "Liam R. Howlett" , Lorenzo Stoakes , Matthew Brost , Michal Hocko , Michal =?iso-8859-1?Q?Koutn=FD?= , Mike Rapoport , Rakie Kim , Suren Baghdasaryan , Vlastimil Babka , Waiman Long , Ying Huang , Zi Yan , cgroups@vger.kernel.org, Yury Norov , Rasmus Villemoes , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] cgroup: use nodes_and() output where appropriate Message-ID: References: <20260114172217.861204-1-ynorov@nvidia.com> <20260114172217.861204-4-ynorov@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260114172217.861204-4-ynorov@nvidia.com> X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 903DD1C0009 X-Rspam-User: X-Stat-Signature: 8hhqrrpjgqjub77ueuqxkeyxzcbdnacp X-HE-Tag: 1768550390-103208 X-HE-Meta: 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 lYHsvnn0 Y7vhQUVUJD0xVqZMkR3S8yyPqqS24oL2/MLNa X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Jan 14, 2026 at 12:22:15PM -0500, Yury Norov wrote: > Now that nodes_and() returns true if the result nodemask is not empty, > drop useless nodes_intersects() in guarantee_online_mems() and > nodes_empty() in update_nodemasks_hier(), which both are O(N). > > Signed-off-by: Yury Norov Acked-by: Tejun Heo Please feel free to route together with the prerequisite patches. Thanks. -- tejun