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 B4B49C77B61 for ; Mon, 10 Apr 2023 04:48:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To: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=h1VZzDi4GY18ewCATzaBVBi3jFt9uNVAIW9Am330oLQ=; b=xA13VKYTqXqhmnPmu3tk+At8Ev lemt9s0Ttji5BjxsuA8sh8AquU+JOGRGmRCmImvj6e2zO1NoauUa/q2606jX/NBmT7vqt3q9MEvnn bjT+qaDwloEJCgdT/NyiAScsv9tEioaLXa5ij9lP9UKwVnA7FRza/6mRlNsO6OnPTE6NMsxIPxqbV 7HlIPcmHZe2gENF3f+Vxyv0MyhixSGpLEcKrbaVWM9TKlEnKNkumn6W+BN8yIkn8e8x9KqXlHp/Bp jxlhgRJsB9uBiKFNhSvxLF0gTpeH481mzHrmtR7pmZIMnnWrmpIv4bb3DYXRaVVNB3B0JZ3/U2m6D 1x8CLhMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pljRd-00EZI6-2v; Mon, 10 Apr 2023 04:47:57 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pkaNC-008uei-16; Fri, 07 Apr 2023 00:54:39 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5A4A364DE9; Fri, 7 Apr 2023 00:54:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48C35C433D2; Fri, 7 Apr 2023 00:54:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1680828876; bh=uvT44qx5YO7bon6aMmqTeZtryVy3J03QEXu1FpcUChw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=gb3r4KSO9gRu1kunqKSKRVILUWmx2/w1729zO1bnmOFwGTjK8Ft7VgeVIqQTRYktv IWoDAI4k/MGasNqIg8yOC4EaHRFW3OexmHky+FTATmWwQPv0fuyPhD9KqpUrJdUZvy 04jSqe8Mz+djYDYAxW63CiCRaFAhGWCyS7LpVaX5D/mfbaRIUmoNGKxiZhnx++WVAf 0Hlc/LhrSf7+y2+OvyhZRwCWgXuEjgUquY5PkBpHS6jI2oxJ0oTdmh9/bpv7XFAxsC dkHpoI3IwMJoz2Lwc/5kivXju8kVrsuuL0xWPpJK8r4SLNxcjeTU1NMtBFmuDOtKIE XV9HKRzNQ6t1Q== Date: Thu, 6 Apr 2023 17:54:34 -0700 From: Jakub Kicinski To: David Howells Cc: netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Paolo Abeni , Willem de Bruijn , Matthew Wilcox , Al Viro , Christoph Hellwig , Jens Axboe , Jeff Layton , Christian Brauner , Chuck Lever III , Linus Torvalds , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Jeroen de Borst , Catherine Sullivan , Shailend Chand , Felix Fietkau , John Crispin , Sean Wang , Mark Lee , Lorenzo Bianconi , Matthias Brugger , AngeloGioacchino Del Regno , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni , Andrew Morton , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-nvme@lists.infradead.org Subject: Re: [PATCH net-next v5 03/19] mm: Make the page_frag_cache allocator use multipage folios Message-ID: <20230406175434.0d74bbcc@kernel.org> In-Reply-To: <20230406094245.3633290-4-dhowells@redhat.com> References: <20230406094245.3633290-1-dhowells@redhat.com> <20230406094245.3633290-4-dhowells@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230406_175438_445356_2D4551AE X-CRM114-Status: GOOD ( 11.70 ) X-Mailman-Approved-At: Sun, 09 Apr 2023 21:47:56 -0700 X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Thu, 6 Apr 2023 10:42:29 +0100 David Howells wrote: > Change the page_frag_cache allocator to use multipage folios rather than > groups of pages. This reduces page_frag_free to just a folio_put() or > put_page(). drivers/nvme/host/tcp.c:1315:15: warning: unused variable 'page' [-Wunused-variable] struct page *page; ^ drivers/net/ethernet/mediatek/mtk_wed_wo.c:306:15: warning: unused variable 'page' [-Wunused-variable] struct page *page; ^