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s390/char: use for_each_clear_bit()

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Use for_each_clear_bit() to iterate over all the cleared bit in a
memory region.

Signed-off-by: Akinobu Mita <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Heiko Carstens <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Akinobu Mita 2012-03-23 15:02:05 -07:00 • committed by Linus Torvalds
commit fc89db4b78
1 changed files with 2 additions and 3 deletions
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5
drivers/s390/char/sclp_cmd.c
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@ -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: