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 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.lore.kernel.org (Postfix) with ESMTPS id D4B7DC77B73 for ; Sat, 27 May 2023 15:09:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Kf7SOiBrPPBDpuJDfA2UEASe9LfTNoHGAI/84UJ8Utg=; b=CMUrJNh+SU2/ht nzNcu+j2W9dVuF4fn93k8y3pgj7cjp0P5tGL6no5R6v09Q8WIJcQZm0MHfXwyWXQd0pf02bXhcWi8 EQQzpv5wxj8pnZ+IlZFyKw2rXIb7QDThCgbFZ8tbKMNMfvXBwwXYjnAH2AwXg7zF50la30/bw5L0+ bRMLo3mFejeQSqPiyvc1JpC/fTCwrQKipd/sXWfT/mgTT7jXVf0kSL4st5jkdIxE7SA08jvk5Kda7 h2h2Hn+vbINdBJ/nQskbv6zMA5NZfT7lyf8wwBEg/I3NyW9TfpzleEqUnkPwZARMuEkEl2xYrn0Mf lwLLqIkh3Uiy0+/enHdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q2vY1-005vAV-0Q; Sat, 27 May 2023 15:09:37 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q2vXy-005v9x-0E; Sat, 27 May 2023 15:09:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=u50hcZSLxjXk+ZnHObIQ29gSZuYnejTLeMWOgyxvfyQ=; b=kvDbU0q2z5jUTh3d5nQNpnIto9 5xrW767Q1PCPoDvq7cJx36GAZEG2mizda3DrQtiBOGyiytCq2OMTOEXq8TWh2LZ+xzaLqiKD9V9Eb EJX8E77j208rlnFcLKHX2rZvcHGssHh261tJ08qNlv2+zYnLCkftBGtSrrF/p39TJSIPJr0ITg4/l 1g7Vh1u4qG6tN9I49LGc4DG6JUJ0KFWAYdrSkVV8XgiRrI/avMqTujLKkfiEnrTSZ/y+N3Nd9R9D8 /OJnFeU9SGlsUclnIO5MUMB9v4WCZl1IYBNx4a3hMv/KnLwfYzmktawxgr1m6qrMuAbL8hw04B8Os 8rYGwubA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1q2vXv-003tpc-6G; Sat, 27 May 2023 15:09:31 +0000 Date: Sat, 27 May 2023 16:09:31 +0100 From: Matthew Wilcox To: Mike Rapoport Cc: Vishal Moola , Andrew Morton , linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org Subject: Re: [PATCH v2 05/34] mm: add utility functions for ptdesc Message-ID: References: <20230501192829.17086-1-vishal.moola@gmail.com> <20230501192829.17086-6-vishal.moola@gmail.com> <20230525090956.GX4967@kernel.org> <20230525202537.GA4967@kernel.org> <20230527104144.GH4967@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230527104144.GH4967@kernel.org> X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Sat, May 27, 2023 at 01:41:44PM +0300, Mike Rapoport wrote: > Sorry if I wasn't clear, by "page table page" I meant the page (or memory > for that matter) for actual page table rather than struct page describing > that memory. > > So what we allocate here is the actual memory for the page tables and not > the memory for the metadata. That's why I think the name ptdesc_alloc is > confusing. But that's going to be the common pattern in the Glorious Future. You allocate a folio and that includes both the folio memory descriptor and the 2^n pages of memory described by that folio. Similarly for all the other memory descriptors. _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um