Code cleanup for hash bits calculation by calling ilog2(). Signed-off-by: Chengguang Xu <cgxu...@zoho.com.cn> --- v1->v2: - Calculate hash bits by directly calling ilog2().
fs/quota/dquot.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 6e826b454082..fde1b94ea587 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2983,11 +2983,7 @@ static int __init dquot_init(void) /* Find power-of-two hlist_heads which can fit into allocation */ nr_hash = (1UL << order) * PAGE_SIZE / sizeof(struct hlist_head); - dq_hash_bits = 0; - do { - dq_hash_bits++; - } while (nr_hash >> dq_hash_bits); - dq_hash_bits--; + dq_hash_bits = ilog2(nr_hash); nr_hash = 1UL << dq_hash_bits; dq_hash_mask = nr_hash - 1; -- 2.21.0