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[2620:137:e000::1:20]) by mx.google.com with ESMTP id a128-20020a621a86000000b005a919052520si13833773pfa.317.2023.04.11.09.59.39; Tue, 11 Apr 2023 09:59:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=hODkppCc; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229513AbjDKQzw (ORCPT + 99 others); Tue, 11 Apr 2023 12:55:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbjDKQzv (ORCPT ); Tue, 11 Apr 2023 12:55:51 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2671A99; Tue, 11 Apr 2023 09:55:49 -0700 (PDT) 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=uHkpIHsDJMVccFbSYcXY2khZL4erb7v3HbneWR1g+cI=; b=hODkppCct9jvuF89XdIFeuy+hj psheHfo47WPiYv79IiaobiP10JLQBdXzLFHHWoxDMfXylhpqdnSuoc3TblR7Yut6JdQBar+ZpKhoB V5POVxqt1qprzAAUf+9XS8V/2SZCly1lPE5OnB4UiQbiKx+YXgdawn8nNDOhdgxVINApjVhkyOort Gg8Vlv0udquk9IMWRng6x3fjBDxdhLKd6E86UIHAaj8fmQl+LJx/TzWWK4CN3qcGS9WiCFc4f12or GraGpYNmdf2tQZaJ4nFvdZy11IR0fapBOvLNRsA0eQTBElCv5Z10BKgoTRwOSJpL//IkkilQnkCie xxo8CtQA==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pmHHV-000dKG-2A; Tue, 11 Apr 2023 16:55:45 +0000 Date: Tue, 11 Apr 2023 09:55:45 -0700 From: Christoph Hellwig To: David Howells Cc: netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Willem de Bruijn , David Ahern , 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 v6 04/18] mm: Make the page_frag_cache allocator use per-cpu Message-ID: References: <20230411160902.4134381-1-dhowells@redhat.com> <20230411160902.4134381-5-dhowells@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230411160902.4134381-5-dhowells@redhat.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 11, 2023 at 05:08:48PM +0100, David Howells wrote: > Make the NVMe, mediatek and GVE drivers pass in NULL to page_frag_cache() > and use the default allocation buckets rather than defining their own. Why makes these different from the other users?