From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755977AbcHDJLc (ORCPT ); Thu, 4 Aug 2016 05:11:32 -0400 Received: from terminus.zytor.com ([198.137.202.10]:51432 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753785AbcHDJL3 (ORCPT ); Thu, 4 Aug 2016 05:11:29 -0400 Date: Thu, 4 Aug 2016 02:11:06 -0700 From: tip-bot for Jiri Olsa Message-ID: Cc: linux-kernel@vger.kernel.org, dsahern@gmail.com, hpa@zytor.com, tglx@linutronix.de, a.p.zijlstra@chello.nl, jolsa@kernel.org, acme@redhat.com, jolsa@redhat.com, mingo@kernel.org, namhyung@kernel.org Reply-To: jolsa@redhat.com, mingo@kernel.org, namhyung@kernel.org, linux-kernel@vger.kernel.org, dsahern@gmail.com, hpa@zytor.com, tglx@linutronix.de, a.p.zijlstra@chello.nl, acme@redhat.com, jolsa@kernel.org In-Reply-To: <20160802113302.GA7479@krava> References: <20160802113302.GA7479@krava> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] tools lib: Add bitmap_alloc function Git-Commit-ID: 98c032967a299ee4bf14ef19eded02b65df32e6f X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 98c032967a299ee4bf14ef19eded02b65df32e6f Gitweb: http://git.kernel.org/tip/98c032967a299ee4bf14ef19eded02b65df32e6f Author: Jiri Olsa AuthorDate: Tue, 2 Aug 2016 13:33:02 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 2 Aug 2016 16:33:26 -0300 tools lib: Add bitmap_alloc function Adding bitmap_alloc function to dynamically allocate bitmap. Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20160802113302.GA7479@krava Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/linux/bitmap.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h index 28f5493..60c44b6 100644 --- a/tools/include/linux/bitmap.h +++ b/tools/include/linux/bitmap.h @@ -3,6 +3,7 @@ #include #include +#include #define DECLARE_BITMAP(name,bits) \ unsigned long name[BITS_TO_LONGS(bits)] @@ -65,4 +66,13 @@ static inline int test_and_set_bit(int nr, unsigned long *addr) return (old & mask) != 0; } +/** + * bitmap_alloc - Allocate bitmap + * @nr: Bit to set + */ +static inline unsigned long *bitmap_alloc(int nbits) +{ + return calloc(1, BITS_TO_LONGS(nbits) * sizeof(unsigned long)); +} + #endif /* _PERF_BITOPS_H */