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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT 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 4B9CDC10F12 for ; Mon, 15 Apr 2019 19:02:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1188C218A1 for ; Mon, 15 Apr 2019 19:02:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555354940; bh=3yWYOwreFO92pDVxkitrs5bZGuj50+jPlbUkRd0HWTs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=1De76XW5CLpbAWJsAcT+py93WazftjPOiop4QpnmSByei8V6kgG2zC9AKn1tfN+La fr1/mtZTb8RD1Kya4LA5lvYyA1VUN1wjf3883HIsf1x//cs1vl97P/LbWp9EshKZDS xBYVE+QshE5cNLwG2HZpxUfCEya+hCROhQOFFtWQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728648AbfDOTCS (ORCPT ); Mon, 15 Apr 2019 15:02:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:32968 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728620AbfDOTCP (ORCPT ); Mon, 15 Apr 2019 15:02:15 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A0BED2087C; Mon, 15 Apr 2019 19:02:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555354935; bh=3yWYOwreFO92pDVxkitrs5bZGuj50+jPlbUkRd0HWTs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tuka1qc8XEKMATX3P0OiO0v2Wso1Gs/xC6FGUC+Zo0naGhRw9odYQviYF5RWu+Ucy x5q4UGeSqpC0oD16twjMKudFhDWnR4iH8C8oT2XMf2ZqZfJdTKvanGdw9idalae0t+ WNyv4nG226Ko5b+YClkepCatW92e7qpuclFFNPWg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Artemy Kovalyov , Moni Shoua , Leon Romanovsky , Shalom Toledo , Or Gerlitz , Saeed Mahameed Subject: [PATCH 4.14 20/69] net/mlx5: Decrease default mr cache size Date: Mon, 15 Apr 2019 20:58:38 +0200 Message-Id: <20190415183730.306217040@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190415183726.036654568@linuxfoundation.org> References: <20190415183726.036654568@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Artemy Kovalyov [ Upstream commit e8b26b2135dedc0284490bfeac06dfc4418d0105 ] Delete initialization of high order entries in mr cache to decrease initial memory footprint. When required, the administrator can populate the entries with memory keys via the /sys interface. This approach is very helpful to significantly reduce the per HW function memory footprint in virtualization environments such as SRIOV. Fixes: 9603b61de1ee ("mlx5: Move pci device handling from mlx5_ib to mlx5_core") Signed-off-by: Artemy Kovalyov Signed-off-by: Moni Shoua Signed-off-by: Leon Romanovsky Reported-by: Shalom Toledo Acked-by: Or Gerlitz Signed-off-by: Saeed Mahameed Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/mellanox/mlx5/core/main.c | 20 -------------------- 1 file changed, 20 deletions(-) --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -155,26 +155,6 @@ static struct mlx5_profile profile[] = { .size = 8, .limit = 4 }, - .mr_cache[16] = { - .size = 8, - .limit = 4 - }, - .mr_cache[17] = { - .size = 8, - .limit = 4 - }, - .mr_cache[18] = { - .size = 8, - .limit = 4 - }, - .mr_cache[19] = { - .size = 4, - .limit = 2 - }, - .mr_cache[20] = { - .size = 4, - .limit = 2 - }, }, };