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futex: Add some more function commentry

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Add some more comments and reformat existing ones to kernel doc style.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
Link: http://lkml.kernel.org/r/1464770609-30168-1-git-send-email-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2016-06-01 10:43:29 +02:00
parent b2d4c2edb2
commit e8b61b3f2c
1 changed files with 12 additions and 3 deletions
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15
kernel/futex.c
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@ -381,8 +381,12 @@ static inline int hb_waiters_pending(struct futex_hash_bucket *hb)
#endif #endif
} }
/* /**
* 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) static struct futex_hash_bucket *hash_futex(union futex_key *key)
{ {
@ -392,7 +396,12 @@ static struct futex_hash_bucket *hash_futex(union futex_key *key)
return &futex_queues[hash & (futex_hashsize - 1)]; return &futex_queues[hash & (futex_hashsize - 1)];
} }
/*
/**
* match_futex - Check whether two futex keys are equal
* @key1: Pointer to key1
* @key2: Pointer to key2
*
* Return 1 if two futex_keys are equal, 0 otherwise. * Return 1 if two futex_keys are equal, 0 otherwise.
*/ */
static inline int match_futex(union futex_key *key1, union futex_key *key2) static inline int match_futex(union futex_key *key1, union futex_key *key2)