lkml.org 
[lkml]   [2012]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5/7] s390/char: use for_each_clear_bit
Date
Use for_each_clear_bit() to iterate over all the cleared bit in a
memory region.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
---
drivers/s390/char/sclp_cmd.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 0b54a91..168525a 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -441,9 +441,8 @@ static int sclp_mem_notifier(struct notifier_block *nb,
start = arg->start_pfn << PAGE_SHIFT;
size = arg->nr_pages << PAGE_SHIFT;
mutex_lock(&sclp_mem_mutex);
- for (id = 0; id <= sclp_max_storage_id; id++)
- if (!test_bit(id, sclp_storage_ids))
- sclp_attach_storage(id);
+ for_each_clear_bit(id, sclp_storage_ids, sclp_max_storage_id + 1)
+ sclp_attach_storage(id);
switch (action) {
case MEM_ONLINE:
case MEM_GOING_OFFLINE:
--
1.7.4.4


\
 
 \ /
  Last update: 2012-01-13 16:57    [from the cache]
©2003-2011 Jasper Spaans