linux-kernel - [tip:locking/core] futex: Add some more function commentry

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Message-ID: <tip-e8b61b3f2c5d3ee7804766621c91f38737d38105@git.kernel.org>
Date:   Mon, 5 Sep 2016 08:25:10 -0700
From:   tip-bot for Thomas Gleixner <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, dvhart@...ux.intel.com,
        linux-kernel@...r.kernel.org, bigeasy@...utronix.de,
        tglx@...utronix.de, mingo@...nel.org
Subject: [tip:locking/core] futex: Add some more function commentry

Commit-ID:  e8b61b3f2c5d3ee7804766621c91f38737d38105
Gitweb:     http://git.kernel.org/tip/e8b61b3f2c5d3ee7804766621c91f38737d38105
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Wed, 1 Jun 2016 10:43:29 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Mon, 5 Sep 2016 17:20:18 +0200

futex: Add some more function commentry

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

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Reviewed-by: Darren Hart <dvhart@...ux.intel.com>
Link: http://lkml.kernel.org/r/1464770609-30168-1-git-send-email-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 kernel/futex.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index 46cb3a3..2c4be46 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -381,8 +381,12 @@ static inline int hb_waiters_pending(struct futex_hash_bucket *hb)
 #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)
 {
@@ -392,7 +396,12 @@ static struct futex_hash_bucket *hash_futex(union futex_key *key)
 	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.
  */
 static inline int match_futex(union futex_key *key1, union futex_key *key2)