Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757567AbbKSCcQ (ORCPT ); Wed, 18 Nov 2015 21:32:16 -0500 Received: from mail-io0-f196.google.com ([209.85.223.196]:36540 "EHLO mail-io0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757530AbbKSCcM (ORCPT ); Wed, 18 Nov 2015 21:32:12 -0500 From: Jia He To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: Andrew Morton , Rasmus Villemoes , Denys Vlasenko , Kyungmin Park , Michal Nazarewicz , Yury Norov , Tejun Heo , Martin Kepplinger , George Spelvin , Ingo Molnar , Arnd Bergmann , Jia He Subject: [PATCH 1/3] linux/bitmap: Move 2 mask macro to bitops.h Date: Thu, 19 Nov 2015 10:31:52 +0800 Message-Id: <1447900314-5727-2-git-send-email-hejianet@gmail.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1447900314-5727-1-git-send-email-hejianet@gmail.com> References: <1447900314-5727-1-git-send-email-hejianet@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1752 Lines: 46 This patch moves the mask macro to bitops.h and then the new introduced api in find_bit.c can use it. Signed-off-by: Jia He --- include/linux/bitmap.h | 3 --- include/linux/bitops.h | 4 ++++ 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 9653fdb..15524f6 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -172,9 +172,6 @@ extern unsigned int bitmap_ord_to_pos(const unsigned long *bitmap, unsigned int extern int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp, int nmaskbits); -#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) -#define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) - #define small_const_nbits(nbits) \ (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 2b8ed12..b881028 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -24,6 +24,10 @@ #define GENMASK_ULL(h, l) \ (((~0ULL) << (l)) & (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h)))) +/* For bitmap ops*/ +#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) +#define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) + extern unsigned int __sw_hweight8(unsigned int w); extern unsigned int __sw_hweight16(unsigned int w); extern unsigned int __sw_hweight32(unsigned int w); -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/