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 6B0A7E63FF6 for ; Sat, 4 Apr 2026 19:53:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 469B46B0088; Sat, 4 Apr 2026 15:53:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 41AD06B0089; Sat, 4 Apr 2026 15:53:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 330446B008A; Sat, 4 Apr 2026 15:53:42 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 229F36B0088 for ; Sat, 4 Apr 2026 15:53:42 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 9EED0E1C65 for ; Sat, 4 Apr 2026 19:53:41 +0000 (UTC) X-FDA: 84621923442.16.90735EC Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf04.hostedemail.com (Postfix) with ESMTP id 1983D40004 for ; Sat, 4 Apr 2026 19:53:39 +0000 (UTC) Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=OzAhhg4I; spf=pass (imf04.hostedemail.com: domain of sj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=sj@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=1775332420; 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-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=xHX2n671OUMHYbwUEmspVUy02n4BVC4McqIwu5oAsdk=; b=0NQr+SibsVb13tyK1uxHnoyeyzrPgpiAyFyEZR0aLpuI0xu9jVZdYRbXfdOJG1jdAPiRHr PF1PZRjBNX2NhDAgQtTRODgty2IUazjDsWm1PDE4cbGcBfHZieKbFe4pCrCx3auCYzSa13 v4N98lXrtlCByl0iaJtaON3Dn/ApA0s= ARC-Authentication-Results: i=1; imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=OzAhhg4I; spf=pass (imf04.hostedemail.com: domain of sj@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775332420; a=rsa-sha256; cv=none; b=Ay25XnxKFHZ3SIi+qO8MBCkaQRNwhVz1SbtHGMDP/0oUp6INSoMp7VZl8OmF5dsbkPu43J jKWOHtiHt20278oDk0SCQ/8xJFqx3P8tQk45Y4eIhv1hjWJvSS+IeK1ylGZNcjOcdLN83p uzbwoipzPSaZbW+Qdy73UhsbrBf39Sw= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 84BF660008; Sat, 4 Apr 2026 19:53:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4F6AC19421; Sat, 4 Apr 2026 19:53:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775332419; bh=KIyQFCexOJ3GWSHEbtzW2pSLEsIiY9S8dv+B7bmaG+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OzAhhg4IT4uDD6s1jppMeqlKNBGYOCW4X7Ea1BTUPvxmwMDn6eA6xZMZMQ2tIcddR 8IuMjJvLcBp+uRc9KBkJr8MFK2hx6Crp2yrGY4iH1C1a7oaT+tQE8CQn5PAp7iJdnL JmJnNoF2/8S9tPNs/RA3lJCnDamB5rotH7ts+gji8lcyXCqLldnaJds/FOsSU2V/+J jk4vRr8DjruUHrDak/o2Pc5BaPz/n8hlChoFFz85DAt8ZKai5OhHPA40XOFmzGrpuW AnZQFxRo3gx5814dtAtskWEc3Oab9R3a051pIaRta2ColzDkw07k1krnuuOjKMXxUs +kvwf2guH77zg== From: SeongJae Park To: Ravi Jonnalagadda Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, akpm@linux-foundation.org, corbet@lwn.net, bijan311@gmail.com, ajayjoshi@micron.com, honggyu.kim@sk.com, yunjeong.mun@sk.com Subject: Re: [PATCH v5 0/1] mm/damon: add node_eligible_mem_bp and node_ineligible_mem_bp goal metrics Date: Sat, 4 Apr 2026 12:53:29 -0700 Message-ID: <20260404195330.85809-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260404012215.1539-1-ravis.opensrc@gmail.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 1983D40004 X-Stat-Signature: demmbwbxrjhbmr1osnhyuwakc7a5typq X-Rspamd-Server: rspam06 X-HE-Tag: 1775332419-772581 X-HE-Meta: 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 +RuRNbDA /+zoDNtTrwVZhudxwdtQGnGnt24Mo/qs0Np1sbJdBhUfFR80ZLhIYShmHVch/7+IxU5rgpSdLPIBTNaq8jV7Y7McF+p3zhJyyA1siXG2jTkzwXc3iGla0syasYh8X4l0tdgwkar5WZfSsHb0dsG9guchAJCX/8Ic/ma4xql6ENEOoxWvW368ADRdlsMtlUz63KSNje1ntd1oo2hnZAE43JcaI1Xtk5bGZpM9u+oZY/qNAQpvJlxThkQUfb8A8EoNLkD2bCZ6FpojcYIz9I7sYOiaRb1VItKBAOw12CInqLWrYEAX+7JYcIOKmTIWLuRTci6c1xTP+nTl7JuUj6OEcKHwMMZ92ar2h61Obb3/47x1k3RIf7ENPRmBRxg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello Ravi, On Fri, 3 Apr 2026 18:22:14 -0700 Ravi Jonnalagadda wrote: > This patch introduces two new DAMOS quota goal metrics for controlling > memory distribution in heterogeneous memory systems (e.g., DRAM and CXL > memory tiering) using physical address (PA) mode monitoring. > > Changes since v4: > ================= > https://lore.kernel.org/linux-mm/20260320190453.1430-1-ravis.opensrc@gmail.com/ > > - Fixed commit message description for DAMOS_QUOTA_NODE_INELIGIBLE_MEM_BP > per review feedback > - Added clarifying comment for ops-common.h include (for damon_get_folio()) > - Fixed build error when CONFIG_DAMON_PADDR is disabled by adding > #ifdef CONFIG_DAMON_PADDR guards around functions using damon_get_folio() > - Dropped RFC tag per maintainer feedback Thank you for revisioning while addressing my comments on the previous version! > > This patch is based on top of damon/next. Maybe because of this, sashiko was unable to review this. To my understanding, there is no real reason to make this based on damon/next. And I'd like to get sashiko review for this patch. Could you please rebase this to latest mm-new and repost for that? > > Background and Motivation > ========================= > > In heterogeneous memory systems, controlling memory distribution across > NUMA nodes is essential for performance optimization. This patch enables > system-wide page distribution with target-state goals such as "maintain > 30% of scheme-eligible memory on CXL" using PA-mode DAMON schemes. [...] Other than the lack of the sashiko review, this cover letter looks good to me. Thanks, SJ [...]