From: Akinobu Mita <akinobu.mita@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Subject: [PATCH 2/7] bitmap: Use for_each_bit
Date: Sun, 31 Jan 2010 20:53:25 +0900 [thread overview]
Message-ID: <1264938810-4173-2-git-send-email-akinobu.mita@gmail.com> (raw)
In-Reply-To: <1264938810-4173-1-git-send-email-akinobu.mita@gmail.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
lib/bitmap.c | 13 ++++---------
1 files changed, 4 insertions(+), 9 deletions(-)
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 11bf497..84292c9 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_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_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_bit(oldbit, orig, bits)
set_bit(oldbit % sz, dst);
}
EXPORT_SYMBOL(bitmap_fold);
--
1.6.0.6
next prev parent reply other threads:[~2010-01-31 11:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-31 11:53 [PATCH 1/7] sched: Use for_each_bit Akinobu Mita
2010-01-31 11:53 ` Akinobu Mita [this message]
2010-01-31 11:53 ` [PATCH 3/7] phonet: " Akinobu Mita
2010-01-31 11:53 ` [PATCH 4/7] intel-iommu: " Akinobu Mita
2010-01-31 11:53 ` [PATCH 5/7] infiniband: " Akinobu Mita
2010-01-31 11:53 ` [PATCH 6/7] atm: " Akinobu Mita
2010-01-31 11:53 ` [PATCH 7/7] hpet: " Akinobu Mita
2010-01-31 12:06 ` [PATCH 1/7] sched: " Alexey Dobriyan
2010-02-01 2:38 ` Andrew Morton
2010-02-01 2:54 ` Akinobu Mita
2010-02-01 3:00 ` Andrew Morton
2010-02-02 8:24 ` [tip:sched/core] " tip-bot for Akinobu Mita
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1264938810-4173-2-git-send-email-akinobu.mita@gmail.com \
--to=akinobu.mita@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox