From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 4734F7E0E4; Mon, 17 Mar 2025 06:04:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742191449; cv=none; b=FEgTWEVFk1i6cOJ7dSCJsBDj9SeNLinjM4HtepfGrZ2Y3C8KocjesX8D1/8apY/Xu6Zanp8qTcHgklUkwgLwp8AKdb3gyKo/I/V5Yrhk7BhEn6P3tZlzoLfMJEJB9Cc0+PJR01HiOkp0v4KsCwbzTYqes5iQaaMAvuubL4qbjC4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742191449; c=relaxed/simple; bh=1xwnLfVr5+IuExQCH0eZ1zK9ZRYT1pGEyP1OuSDAUEc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=R0WB18729Mco0PUtggAUqvO+kNb4VOmXgxkE/3+OnMOaUOK9LtHWOGNtYc/JMEP3MgS21jkyw+pzPYEbo6KDfGwiAgoF+HVvuBzoiUDe/EHGR4zfQHvgoQTBWNRQLoVwLrziM6OAmyQhwNl8li4QsUa9BDPA/0WTB+d6togX+ZE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=FD0lf5a5; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="FD0lf5a5" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=4mOVcPNqSXq65abLzwSLzBk8TdFBZgWIQiDwJRb6c+E=; b=FD0lf5a5jAyzEe/XSl+/AbS3dx HRT+TqF9nOotcPYrlV8knPKe2jBLG57OKke1kGs8iPv+brMWhbEBFKhVh9ZVaLFc+gNVlmX6ZQmqa mffUl5J13aqihUGe31DYUGV6sI1+xsv1tC/S7/AeZo5YgzYDkFNsCgMeDiK2D9ox42FuMlIQvc+p8 YJxISa08Gi5k4jBeqGcCiz3Lg6e9Yrv9Hf5+IkLwNb+hMOarVmTyhdjO2W78omVvsf1KwxhOhsjhk 5EABw4QCnINpbZX96HC1dP3eCNWz+MFr1/Plo6nVP/dMxaBbba/zIbeCVDDQKjg/NFp9s8uclvZIU QAXu82iQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tu3a3-00000001KpS-32vr; Mon, 17 Mar 2025 06:04:07 +0000 Date: Sun, 16 Mar 2025 23:04:07 -0700 From: Christoph Hellwig To: Alistair Popple Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH RFC 0/6] Allow file-backed or shared device private pages Message-ID: References: Precedence: bulk X-Mailing-List: linux-fsdevel@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: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Sun, Mar 16, 2025 at 03:29:23PM +1100, Alistair Popple wrote: > This series lifts that restriction by allowing ZONE_DEVICE private pages to > exist in the pagecache. You'd better provide a really good argument for why we'd even want to do that. So far this cover letter fails to do that.