From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758661AbYJWCL6 (ORCPT ); Wed, 22 Oct 2008 22:11:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755816AbYJWCIh (ORCPT ); Wed, 22 Oct 2008 22:08:37 -0400 Received: from relay1.sgi.com ([192.48.171.29]:46600 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753744AbYJWCI2 (ORCPT ); Wed, 22 Oct 2008 22:08:28 -0400 Message-Id: <20081023020828.097703000@polaris-admin.engr.sgi.com> References: <20081023020826.051012000@polaris-admin.engr.sgi.com> User-Agent: quilt/0.46-1 Date: Wed, 22 Oct 2008 19:08:35 -0700 From: Mike Travis To: Ingo Molnar , Rusty Russell Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: [PATCH 09/35] cpumask: add cpumask_copy() Content-Disposition: inline; filename=cpumask:cpus_copy.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since cpumasks are to become pointers to undefined structs, we need to replace assignments. Also, dynamically allocated ones will eventually be nr_cpu_ids bits (<= NR_CPUS), so assignment is a definite no-no. Signed-off-by: Mike Travis Signed-off-by: Rusty Russell --- include/linux/cpumask.h | 8 ++++++++ 1 file changed, 8 insertions(+) --- linux-2.6.28.orig/include/linux/cpumask.h +++ linux-2.6.28/include/linux/cpumask.h @@ -64,6 +64,8 @@ * 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 * + * void cpumask_copy(dmask, smask) dmask = smask + * * 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) @@ -350,6 +352,12 @@ static inline void cpumask_fold(struct c bitmap_fold(dstp->bits, origp->bits, sz, NR_CPUS); } +static inline void cpumask_copy(struct cpumask *dstp, + const struct cpumask *srcp) +{ + bitmap_copy(cpumask_bits(dstp), cpumask_bits(srcp), NR_CPUS); +} + /* * Special-case data structure for "single bit set only" constant CPU masks. * --