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[2620:137:e000::1:20]) by mx.google.com with ESMTP id lr1-20020a17090b4b8100b00253555e5f95si653368pjb.153.2023.08.09.20.14.40; Wed, 09 Aug 2023 20:14:53 -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=@marvell.com header.s=pfpt0220 header.b="SEM/Ttyk"; 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; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=marvell.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230033AbjHJCp1 (ORCPT + 99 others); Wed, 9 Aug 2023 22:45:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229455AbjHJCp0 (ORCPT ); Wed, 9 Aug 2023 22:45:26 -0400 Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C796F170F; Wed, 9 Aug 2023 19:45:25 -0700 (PDT) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 379MpSHH014846; Wed, 9 Aug 2023 19:44:31 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=BbXfmn1iVqjqs/mZCaFij8skAY5YtvqIYhY+IuDMDM0=; b=SEM/TtykskYB3BLsLwPtQ5YCqUCVap5MgiYHmhSTxYTGGTRHhgaAEJrGOaWj39h2P/3m p/UXhBaMlf1NkLFQ+qr2F8hX9rKJNQTv2N7Ln6nBARqSSy7n02iXQGg6IOXurK0oyGgC 024VeucgaSDNDtra2ePIBUuMy4bZWzQkDkcpgwSwoiW7/8b03ISvd+LT6goWTywl1wGY trIMbYdlTKMRimyzn+KSEj4bjyRiCbMY2tG1As65CxWY5RLKlcD2UxL0GXkWY1kvzLhH CoWuHqqChjY21gtzN0w99hMo368deTh71sg66GBB+TJYUtE29yqx2czTkk14wWETotJe jQ== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3scj5m8xc6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 09 Aug 2023 19:44:30 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Wed, 9 Aug 2023 19:44:28 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Wed, 9 Aug 2023 19:44:28 -0700 Received: from marvell-OptiPlex-7090.marvell.com (unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 523A33F70A3; Wed, 9 Aug 2023 19:44:24 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , , Ratheesh Kannoth , "Alexander Lobakin" Subject: [PATCH net] octeontx2-pf: Set page pool size Date: Thu, 10 Aug 2023 08:14:22 +0530 Message-ID: <20230810024422.1781312-1-rkannoth@marvell.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: yyk-8wPzdbKU-aHCG5wO5TM_YzM6G-8h X-Proofpoint-GUID: yyk-8wPzdbKU-aHCG5wO5TM_YzM6G-8h X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-10_01,2023-08-09_01,2023-05-22_02 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 page pool infra does direct recycling aggressively. This would often keep ptr_ring left unused. Save memory by configuring ptr_ring to a constant value(2K). Please find discussion at https://lore.kernel.org/netdev/ 15d32b22-22b0-64e3-a49e-88d780c24616@kernel.org/T/ Fixes: b2e3406a38f0 ("octeontx2-pf: Add support for page pool") Suggested-by: Alexander Lobakin Signed-off-by: Ratheesh Kannoth --- drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index 77c8f650f7ac..123348a9e19e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -1432,7 +1432,8 @@ int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id, } pp_params.flags = PP_FLAG_PAGE_FRAG | PP_FLAG_DMA_MAP; - pp_params.pool_size = numptrs; +#define OTX2_PAGE_POOL_SZ 2048 + pp_params.pool_size = OTX2_PAGE_POOL_SZ; pp_params.nid = NUMA_NO_NODE; pp_params.dev = pfvf->dev; pp_params.dma_dir = DMA_FROM_DEVICE; -- 2.25.1