From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754626AbcHASNp (ORCPT ); Mon, 1 Aug 2016 14:13:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59134 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754319AbcHASNg (ORCPT ); Mon, 1 Aug 2016 14:13:36 -0400 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , David Ahern , Ingo Molnar , Namhyung Kim , Peter Zijlstra Subject: [PATCH 1/7] tools lib: Add bitmap_alloc function Date: Mon, 1 Aug 2016 20:02:29 +0200 Message-Id: <1470074555-24889-2-git-send-email-jolsa@kernel.org> In-Reply-To: <1470074555-24889-1-git-send-email-jolsa@kernel.org> References: <1470074555-24889-1-git-send-email-jolsa@kernel.org> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 01 Aug 2016 18:02:39 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding bitmap_alloc function to dynamically allocate bitmap. Link: http://lkml.kernel.org/n/tip-ictn3ke5ewrzwyn8webfeai9@git.kernel.org Signed-off-by: Jiri Olsa --- 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 28f5493da491..66ddd992e690 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 malloc(BITS_TO_LONGS(nbits) * sizeof(unsigned long)); +} + #endif /* _PERF_BITOPS_H */ -- 2.4.11