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 X-Spam-Level: X-Spam-Status: No, score=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F9A7C433E0 for ; Wed, 17 Mar 2021 17:30:28 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D132A64EED for ; Wed, 17 Mar 2021 17:30:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D132A64EED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 35BF76B006E; Wed, 17 Mar 2021 13:30:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2F85D6B0070; Wed, 17 Mar 2021 13:30:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 186CF6B0071; Wed, 17 Mar 2021 13:30:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0234.hostedemail.com [216.40.44.234]) by kanga.kvack.org (Postfix) with ESMTP id EE1446B006E for ; Wed, 17 Mar 2021 13:30:26 -0400 (EDT) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id A5AD9824999B for ; Wed, 17 Mar 2021 17:30:26 +0000 (UTC) X-FDA: 77930055252.29.89D147F Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by imf13.hostedemail.com (Postfix) with ESMTP id 444D0E0AD2BD for ; Wed, 17 Mar 2021 16:39:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615999136; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7BFXuz+V1IZqHA0Ul5BuH98TEHuJmu/wAVpUaxScltU=; b=baEOIjW1m7WTIWs08alwLu74X3VtYKYK5hQqyw9jTCPoQLVK1iymXRCKR6WWpeQ7o1G+3n 2vm9Cjt1yzlDZRK7eB8A0qIp4oD82jSIUhamqDJKqYoQvNQ98xhqfXxsSPjWSG+Bpfe/r+ plFI/jOR8sIp9iOZTQ1EnywVz2J44sE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-380-b_c398UsOq2LX9gP5uCXUQ-1; Wed, 17 Mar 2021 12:38:54 -0400 X-MC-Unique: b_c398UsOq2LX9gP5uCXUQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 49D94190A7A2; Wed, 17 Mar 2021 16:38:52 +0000 (UTC) Received: from carbon (unknown [10.36.110.30]) by smtp.corp.redhat.com (Postfix) with ESMTP id D160B19C45; Wed, 17 Mar 2021 16:38:45 +0000 (UTC) Date: Wed, 17 Mar 2021 17:38:44 +0100 From: Jesper Dangaard Brouer To: Alexander Lobakin , Mel Gorman Cc: Andrew Morton , Chuck Lever , Christoph Hellwig , Alexander Duyck , Matthew Wilcox , LKML , Linux-Net , Linux-MM , Linux-NFS , brouer@redhat.com Subject: Re: [PATCH 0/7 v4] Introduce a bulk order-0 page allocator with two in-tree users Message-ID: <20210317173844.6b10f879@carbon> In-Reply-To: <20210317163055.800210-1-alobakin@pm.me> References: <20210312154331.32229-1-mgorman@techsingularity.net> <20210317163055.800210-1-alobakin@pm.me> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 444D0E0AD2BD X-Stat-Signature: cmscrarwjewzpqku48dbcxdhjtqftjn3 Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf13; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=63.128.21.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1615999147-192662 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 17 Mar 2021 16:31:07 +0000 Alexander Lobakin wrote: > From: Mel Gorman > Date: Fri, 12 Mar 2021 15:43:24 +0000 > > Hi there, > > > This series is based on top of Matthew Wilcox's series "Rationalise > > __alloc_pages wrapper" and does not apply to 5.12-rc2. If you want to > > test and are not using Andrew's tree as a baseline, I suggest using the > > following git tree > > > > git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git mm-bulk-rebase-v4r2 > > I gave this series a go on my setup, it showed a bump of 10 Mbps on > UDP forwarding, but dropped TCP forwarding by almost 50 Mbps. > > (4 core 1.2GHz MIPS32 R2, page size of 16 Kb, Page Pool order-0 > allocations with MTU of 1508 bytes, linear frames via build_skb(), > GRO + TSO/USO) What NIC driver is this? > I didn't have time to drill into the code, so for now can't provide > any additional details. You can request anything you need though and > I'll try to find a window to collect it. > > > Note to Chuck and Jesper -- as this is a cross-subsystem series, you may > > want to send the sunrpc and page_pool pre-requisites (patches 4 and 6) > > directly to the subsystem maintainers. While sunrpc is low-risk, I'm > > vaguely aware that there are other prototype series on netdev that affect > > page_pool. The conflict should be obvious in linux-next. -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer