From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 61E0BDDC1; Mon, 17 Mar 2025 01:12:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742173941; cv=none; b=ls1FRUxaG/9SKYmA3LQvDaWu39SzhPWn5vsOo9YyOzICvZnMjwzyympmDazcA5b60/95QOcxYGwkLKzWi1Cc80yiVUwrTYBKj3dLJEzlc6DdOiS49msrKYZKvJ9/CTakDdp/xwW8a/LxeJSHCkRpdWf3FP9jBrTtY1jV9rR8+cw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742173941; c=relaxed/simple; bh=9y4sD9Cw4eyXxkh5JX9TsNdK0e8fgFEbpeL3YGHyIWo=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=D7XQXH+gGt4K4cIkGOlIBh1vgA/THUfbXkzovTepj8AzI4wCo/hj3ej1Isoym2/wnT9KOT9MFtK2qtE0hrc36LfAS0vnNf9SexHYGeIjAe4GcqjWL7Q9RJrzjPSbQAEo1TReqvA+WtlF9VZzPZCBH3QsBUjVJ25btjUwjN0YU1I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=DnQ3qMY8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="DnQ3qMY8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 515B8C4CEE9; Mon, 17 Mar 2025 01:12:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1742173935; bh=9y4sD9Cw4eyXxkh5JX9TsNdK0e8fgFEbpeL3YGHyIWo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=DnQ3qMY8orU8ma1/CRFzbAkQpsin7NchoJEopWxFLPHMgsz3YQdl2Kqahr9ovtrq9 RHPdIJJB+rtyQuVe3p14bG4d3aHE0jJ8tXnsizsTEZw1aIHHqNAmP5v3IEM0amnKUX gb9KbHMlifLfqOtE+rdMqcWBBlYrJAlLB6mjCiQo= Date: Sun, 16 Mar 2025 18:12:14 -0700 From: Andrew Morton To: Johannes Weiner Cc: Shakeel Butt , Michal =?ISO-8859-1?Q?Koutn=FD?= , Roman Gushchin , "T.J. Mercier" , Tejun Heo , Michal Hocko , Muchun Song , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Meta kernel team Subject: Re: [PATCH] memcg: add hierarchical effective limits for v2 Message-Id: <20250316181214.704966dd41abccab249e11dc@linux-foundation.org> In-Reply-To: <20250227035155.GA110982@cmpxchg.org> References: <20250205222029.2979048-1-shakeel.butt@linux.dev> <5jwdklebrnbym6c7ynd5y53t3wq453lg2iup6rj4yux5i72own@ay52cqthg3hy> <20250210225234.GB2484@cmpxchg.org> <20250227035155.GA110982@cmpxchg.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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-Transfer-Encoding: 7bit On Wed, 26 Feb 2025 22:51:55 -0500 Johannes Weiner wrote: > > > start only with memory.max as > > > that has some usecases). > > > > Yes, I can link [2] with more info added to the commit message. > > > > Johannes, do you want effective interface for low and min as well or for > > now just keep the current targeted interfaces? > > I think it would make sense to do min, low, high, max for memory in > one go, as a complete new feature, rather than doing them one by one. > > Tejun, what's your take on this, considering other controllers as > well? Does that seem like a reasonable solution to address the "I'm in > a namespace and can't see my configuration" problem? I guess Tejun missed this. It seems that more think time is needed on this patch?