From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933325AbaEEW2d (ORCPT ); Mon, 5 May 2014 18:28:33 -0400 Received: from mga03.intel.com ([143.182.124.21]:48062 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756898AbaEEW22 (ORCPT ); Mon, 5 May 2014 18:28:28 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,992,1389772800"; d="scan'208";a="427941322" From: Andi Kleen To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, tom.zanussi@linux.intel.com, Andi Kleen Subject: [PATCH 01/24] net, diet: Reduce netdev name hash table for CONFIG_BASE_SMALL Date: Mon, 5 May 2014 15:25:50 -0700 Message-Id: <1399328773-6531-2-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1399328773-6531-1-git-send-email-andi@firstfloor.org> References: <1399328773-6531-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Small systems typically only have two network devices, so use hash shift 2. Signed-off-by: Andi Kleen --- include/net/net_namespace.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 5f9eb26..d2b8c6c 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -37,7 +37,11 @@ struct sock; struct netns_ipvs; +#ifdef CONFIG_BASE_SMALL +#define NETDEV_HASHBITS 2 +#else #define NETDEV_HASHBITS 8 +#endif #define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS) struct net { -- 1.9.0