From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755256Ab0BAPOm (ORCPT ); Mon, 1 Feb 2010 10:14:42 -0500 Received: from mail-fx0-f220.google.com ([209.85.220.220]:55475 "EHLO mail-fx0-f220.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755212Ab0BAPOj (ORCPT ); Mon, 1 Feb 2010 10:14:39 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=kGVPxdScNUDHWt6NB7PTh7liWozweLxoAzY8lURyr0cQ/RpoeceZdYi/Dx7SzGyAE3 EzsoQ50qfuOIKvVjR0bmEyt0inqFGs3JyP8y7SSqTr7ATQJcEG3682nqoFGeptC8oQU0 SYIs8fXRdaT9ZYgZyYUNw/kpFDyeLxXwlLMmQ= From: Akinobu Mita To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org Cc: Akinobu Mita Subject: [PATCH 4/9] bitmap: Use for_each_set_bit Date: Tue, 2 Feb 2010 00:10:35 +0900 Message-Id: <1265037040-23413-4-git-send-email-akinobu.mita@gmail.com> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: <1265037040-23413-1-git-send-email-akinobu.mita@gmail.com> References: <1265037040-23413-1-git-send-email-akinobu.mita@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v2: rename for_each_bit to for_each_set_bit Signed-off-by: Akinobu Mita --- lib/bitmap.c | 13 ++++--------- 1 files changed, 4 insertions(+), 9 deletions(-) diff --git a/lib/bitmap.c b/lib/bitmap.c index 11bf497..5f18bb0 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -733,10 +733,9 @@ void bitmap_remap(unsigned long *dst, const unsigned long *src, bitmap_zero(dst, bits); w = bitmap_weight(new, bits); - for (oldbit = find_first_bit(src, bits); - oldbit < bits; - oldbit = find_next_bit(src, bits, oldbit + 1)) { + for_each_set_bit(oldbit, src, bits) { int n = bitmap_pos_to_ord(old, oldbit, bits); + if (n < 0 || w == 0) set_bit(oldbit, dst); /* identity map */ else @@ -903,9 +902,7 @@ void bitmap_onto(unsigned long *dst, const unsigned long *orig, */ m = 0; - for (n = find_first_bit(relmap, bits); - n < bits; - n = find_next_bit(relmap, bits, n + 1)) { + for_each_set_bit(n, relmap, bits) { /* m == bitmap_pos_to_ord(relmap, n, bits) */ if (test_bit(m, orig)) set_bit(n, dst); @@ -934,9 +931,7 @@ void bitmap_fold(unsigned long *dst, const unsigned long *orig, return; bitmap_zero(dst, bits); - for (oldbit = find_first_bit(orig, bits); - oldbit < bits; - oldbit = find_next_bit(orig, bits, oldbit + 1)) + for_each_set_bit(oldbit, orig, bits) set_bit(oldbit % sz, dst); } EXPORT_SYMBOL(bitmap_fold); -- 1.6.0.6