From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta1.migadu.com (out-244.mta1.migadu.com [95.215.58.244]) (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 ABA7737CD32 for ; Tue, 18 Aug 2026 15:32:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.244 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787067126; cv=none; b=Ics9sIc43DEukzH9F3nYOH72cG70nT71awOUdij94qPfFrDuwhyGRX3fLQdDoCbvgZJn0/xhILhXwUYZBHh9yiDXkudW/J3KfVlMInE/ccvtY7gsfQ2pO5lNRgVT5R+FF9/zWWIiLidqpE9HYlAMbvruKHHPI5lzICZuyMnDwTM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787067126; c=relaxed/simple; bh=Kdeaan5Dwfb7aQWrsouCyJljKgsAlowShmaivBol4+s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JSjiPwBwtkt1jBaXlkbOqBzxKhkYolAjAzm4ycK7D+wJHHUX2Nis65102yPQJUXOD5vSGDHbTbIgyCVAyv2oydebiRYU571jaT7oqUtu60X++2TlpaGygcnJvRN2H3dJCPVDgS2mvPZbasL4qYHZDzgdMuz22QgCMdoM2mOtnno= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=xpGECiu5; arc=none smtp.client-ip=95.215.58.244 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="xpGECiu5" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=Kdeaan5Dwfb7aQWrsouCyJljKgsAlowShmaivBol4+s=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1787067122; v=1; x=1787671922; b=xpGECiu58ZauucXAimebjAa1m93WIrd63a/gHWMOzRy9ErAkQ/lY+ciGGk3W4Yh1HKvdV1k/ yWH4POFIb6rXZAX/DS/lXgv2rIBe4bwTd8kbPrP44MV8C/DANW0lOd6jFLA/+zhf+VAuCN1TZZM r8SdaYt74UCVXKu578fa6lJg= X-Envelope-To: linux-kernel@vger.kernel.org Received: from localhost (2a03:2880:10ff:48::) by smtp.migadu.com with ESMTPS id 4162ff370782c189; Tue, 18 Aug 2026 15:32:01 +0000 X-Migadu-Flow: FLOW_OUT Date: Tue, 18 Aug 2026 08:32:00 -0700 From: Shakeel Butt To: liuqiqi@kylinos.cn Cc: linux-mm@kvack.org, tj@kernel.org, mkoutny@suse.com, hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, muchun.song@linux.dev, akpm@linux-foundation.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 0/8] mm/memcontrol: introduce per-tier memory accounting and control Message-ID: References: <20260818023121.100613-1-liuqiqi@kylinos.cn> 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: <20260818023121.100613-1-liuqiqi@kylinos.cn> On Tue, Aug 18, 2026 at 10:31:13AM +0800, liuqiqi@kylinos.cn wrote: > From: Qiqi Liu > [...] > > This series takes a different approach from Joshua Hahn's toptier RFC [1], > tracking a separate page_counter per (memcg, tier) for N-tier support and > exposing writable per-tier limits under a cgroup mount option. Please don't duplicate the effort. If you have concerns regarding Joshua's series, comment on his series and work with him to push the work through.