From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758324AbYJWCLl (ORCPT ); Wed, 22 Oct 2008 22:11:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755639AbYJWCIh (ORCPT ); Wed, 22 Oct 2008 22:08:37 -0400 Received: from relay1.sgi.com ([192.48.171.29]:46598 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753558AbYJWCI2 (ORCPT ); Wed, 22 Oct 2008 22:08:28 -0400 Message-Id: <20081023020827.910700000@polaris-admin.engr.sgi.com> References: <20081023020826.051012000@polaris-admin.engr.sgi.com> User-Agent: quilt/0.46-1 Date: Wed, 22 Oct 2008 19:08:34 -0700 From: Mike Travis To: Ingo Molnar , Rusty Russell Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: [PATCH 08/35] cpumask: cpumask_size() From: Mike Travis Content-Disposition: inline; filename=cpumask:cpumask_size.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dynamic allocation of cpumasks requires the size. Signed-off-by: Mike Travis --- include/linux/cpumask.h | 3 +++ 1 file changed, 3 insertions(+) --- linux-2.6.28.orig/include/linux/cpumask.h +++ linux-2.6.28/include/linux/cpumask.h @@ -64,6 +64,7 @@ * int next_cpu(cpu, mask) Next cpu past 'cpu', or NR_CPUS * int next_cpu_nr(cpu, mask) Next cpu past 'cpu', or nr_cpu_ids * + * size_t cpumask_size() Length of cpumask in bytes. * cpumask_t cpumask_of_cpu(cpu) Return cpumask with bit 'cpu' set * (can be used as an lvalue) * CPU_MASK_ALL Initializer - all bits set @@ -147,6 +148,8 @@ struct cpumask { }; #define cpumask_bits(maskp) ((maskp)->bits) +#define cpumask_size() (BITS_TO_LONGS(NR_CPUS) * sizeof(long)) + /* Deprecated. */ typedef struct cpumask cpumask_t; extern cpumask_t _unused_cpumask_arg_; --