Add some more comments and reformat existing ones to kernel doc style. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- kernel/futex.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) Index: b/kernel/futex.c =================================================================== --- a/kernel/futex.c +++ b/kernel/futex.c @@ -402,8 +402,12 @@ static inline void hb_remove_q(struct fu plist_del(&q->list, &hb->chain); } -/* - * We hash on the keys returned from get_futex_key (see below). +/** + * hash_futex - Return the hash bucket in the global hash + * @key: Pointer to the futex key for which the hash is calculated + * + * We hash on the keys returned from get_futex_key (see below) and return the + * corresponding hash bucket in the global hash. */ static struct futex_hash_bucket *hash_futex(union futex_key *key) { @@ -413,7 +417,12 @@ static struct futex_hash_bucket *hash_fu return &futex_queues[hash & (futex_hashsize - 1)]; } -/* + +/** + * match_futex - Check whether to futex keys are equal + * @key1: Pointer to key1 + * @key2: Pointer to key2 + * * Return 1 if two futex_keys are equal, 0 otherwise. */ static inline int match_futex(union futex_key *key1, union futex_key *key2)