From patchwork Wed Dec 4 10:14:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li RongQing X-Patchwork-Id: 1204088 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=baidu.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47SZfS0bL3z9sPh for ; Wed, 4 Dec 2019 21:22:24 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727552AbfLDKWW (ORCPT ); Wed, 4 Dec 2019 05:22:22 -0500 Received: from mx58.baidu.com ([61.135.168.58]:29179 "EHLO tc-sys-mailedm02.tc.baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726899AbfLDKWW (ORCPT ); Wed, 4 Dec 2019 05:22:22 -0500 X-Greylist: delayed 463 seconds by postgrey-1.27 at vger.kernel.org; Wed, 04 Dec 2019 05:22:20 EST Received: from localhost (cp01-cos-dev01.cp01.baidu.com [10.92.119.46]) by tc-sys-mailedm02.tc.baidu.com (Postfix) with ESMTP id 648AA11C0062; Wed, 4 Dec 2019 18:14:25 +0800 (CST) From: Li RongQing To: netdev@vger.kernel.org, saeedm@mellanox.com Subject: [PATCH] page_pool: mark unbound node page as reusable pages Date: Wed, 4 Dec 2019 18:14:25 +0800 Message-Id: <1575454465-15386-1-git-send-email-lirongqing@baidu.com> X-Mailer: git-send-email 1.7.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org some drivers uses page pool, but not require to allocate page from bound node, so pool.p.nid is NUMA_NO_NODE, and this fixed patch will block this kind of driver to recycle Fixes: d5394610b1ba ("page_pool: Don't recycle non-reusable pages") Signed-off-by: Li RongQing Cc: Saeed Mahameed --- net/core/page_pool.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/core/page_pool.c b/net/core/page_pool.c index a6aefe989043..4054db683178 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -317,7 +317,9 @@ static bool __page_pool_recycle_direct(struct page *page, */ static bool pool_page_reusable(struct page_pool *pool, struct page *page) { - return !page_is_pfmemalloc(page) && page_to_nid(page) == pool->p.nid; + return !page_is_pfmemalloc(page) && + (page_to_nid(page) == pool->p.nid || + pool->p.nid == NUMA_NO_NODE); } void __page_pool_put_page(struct page_pool *pool, struct page *page,