linux-kernel - [PATCH] futex: Add some more function commentry

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Message-Id: <1464770609-30168-1-git-send-email-bigeasy@linutronix.de>
Date:	Wed,  1 Jun 2016 10:43:29 +0200
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org, Darren Hart <dvhart@...ux.intel.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: [PATCH] futex: Add some more function commentry

From: Thomas Gleixner <tglx@...utronix.de>

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

Reviewed-by: Darren Hart <dvhart@...ux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
---
 kernel/futex.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index ee25f5ba4aca..800329e6076e 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -373,8 +373,12 @@ 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)
 {
@@ -384,7 +388,12 @@ 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)
-- 
2.8.1