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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 7EBB8C43603 for ; Thu, 19 Dec 2019 12:00:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 50C0E24679 for ; Thu, 19 Dec 2019 12:00:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ihoUWUnz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726963AbfLSMA1 (ORCPT ); Thu, 19 Dec 2019 07:00:27 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:37125 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726712AbfLSMA1 (ORCPT ); Thu, 19 Dec 2019 07:00:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576756826; 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=G9ICZdw8d/Cy5yfs9thcebSbyLAgCLlMcpKJwHMxudo=; b=ihoUWUnz0XrymbcJNSYdCLDTxPRGfdD1shbxgUGMx1iBix8ZgEkYFi6RkotCiO9a3NoPZD JImz6X4vZeItG9vSJ1scT26YrNnt3nJAs8azXQtA8rq/UMySAsdWXGp7v/VrhWZmA14guI 86cmNkyLRsU3izEADXU45mKSsMKknZg= 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-213-76UIkLS3MkOts9zWSA2hgg-1; Thu, 19 Dec 2019 07:00:22 -0500 X-MC-Unique: 76UIkLS3MkOts9zWSA2hgg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B272B477; Thu, 19 Dec 2019 12:00:20 +0000 (UTC) Received: from carbon (ovpn-200-37.brq.redhat.com [10.40.200.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id 921325D9E2; Thu, 19 Dec 2019 12:00:15 +0000 (UTC) Date: Thu, 19 Dec 2019 13:00:13 +0100 From: Jesper Dangaard Brouer To: "Li,Rongqing" Cc: "netdev@vger.kernel.org" , "linyunsheng@huawei.com" , Ilias Apalodimas , Saeed Mahameed , "mhocko@kernel.org" , "peterz@infradead.org" , "linux-kernel@vger.kernel.org" , brouer@redhat.com Subject: Re: [net-next v4 PATCH] page_pool: handle page recycle for NUMA_NO_NODE condition Message-ID: <20191219130013.7707683f@carbon> In-Reply-To: <7d1d07c680b6411aada4840edaff3b12@baidu.com> References: <20191218084437.6db92d32@carbon> <157665609556.170047.13435503155369210509.stgit@firesoul> <7d1d07c680b6411aada4840edaff3b12@baidu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 18 Dec 2019 14:27:13 +0000 "Li,Rongqing" wrote: > seem it can not handle the in-flight pages if remove the check node > id from pool_page_reusable? I don't follow. I do think this patch handle in-flight pages, as they have to travel back-through the ptr_ring. -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer