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Commit fc89db4b authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
Browse files

s390/char: use for_each_clear_bit() 



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

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c527b414

drivers/s390/char/sclp_cmd.c

+2 −3
Original line number Diff line number Diff line
@@ -441,8 +441,7 @@ 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))

	for_each_clear_bit(id, sclp_storage_ids, sclp_max_storage_id + 1)

		sclp_attach_storage(id);

	switch (action) {

	case MEM_ONLINE: