linux-kernel - [PATCH 07/20] futex: Rename hash

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Message-ID: <20210915141525.047819744@infradead.org>
Date:   Wed, 15 Sep 2021 16:07:17 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     andrealmeid@...labora.com, tglx@...utronix.de, mingo@...hat.com,
        dvhart@...radead.org, rostedt@...dmis.org, bigeasy@...utronix.de
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        kernel@...labora.com, krisman@...labora.com,
        linux-api@...r.kernel.org, libc-alpha@...rceware.org,
        mtk.manpages@...il.com, dave@...olabs.net, arnd@...db.de
Subject: [PATCH 07/20] futex: Rename hash_futex()

In order to prepare introducing these symbols into the global
namespace; rename:

  s/hash_futex/hash_futex/g

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 kernel/futex/core.c |   22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -279,7 +279,7 @@ struct futex_hash_bucket {
 
 /*
  * The base of the bucket array and its size are always used together
- * (after initialization only in hash_futex()), so ensure that they
+ * (after initialization only in futex_hash()), so ensure that they
  * reside in the same cacheline.
  */
 static struct {
@@ -380,13 +380,13 @@ static inline int hb_waiters_pending(str
 }
 
 /**
- * hash_futex - Return the hash bucket in the global hash
+ * futex_hash - 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 *futex_hash(union futex_key *key)
 {
 	u32 hash = jhash2((u32 *)key, offsetof(typeof(*key), both.offset) / 4,
 			  key->both.offset);
@@ -885,7 +885,7 @@ static void exit_pi_state_list(struct ta
 		next = head->next;
 		pi_state = list_entry(next, struct futex_pi_state, list);
 		key = pi_state->key;
-		hb = hash_futex(&key);
+		hb = futex_hash(&key);
 
 		/*
 		 * We can race against put_pi_state() removing itself from the
@@ -1634,7 +1634,7 @@ int futex_wake(u32 __user *uaddr, unsign
 	if (unlikely(ret != 0))
 		return ret;
 
-	hb = hash_futex(&key);
+	hb = futex_hash(&key);
 
 	/* Make sure we really have tasks to wakeup */
 	if (!hb_waiters_pending(hb))
@@ -1731,8 +1731,8 @@ int futex_wake_op(u32 __user *uaddr1, un
 	if (unlikely(ret != 0))
 		return ret;
 
-	hb1 = hash_futex(&key1);
-	hb2 = hash_futex(&key2);
+	hb1 = futex_hash(&key1);
+	hb2 = futex_hash(&key2);
 
 retry_private:
 	double_lock_hb(hb1, hb2);
@@ -2172,8 +2172,8 @@ int futex_requeue(u32 __user *uaddr1, un
 	if (requeue_pi && match_futex(&key1, &key2))
 		return -EINVAL;
 
-	hb1 = hash_futex(&key1);
-	hb2 = hash_futex(&key2);
+	hb1 = futex_hash(&key1);
+	hb2 = futex_hash(&key2);
 
 retry_private:
 	hb_waiters_inc(hb2);
@@ -2415,7 +2415,7 @@ static inline struct futex_hash_bucket *
 {
 	struct futex_hash_bucket *hb;
 
-	hb = hash_futex(&q->key);
+	hb = futex_hash(&q->key);
 
 	/*
 	 * Increment the counter before taking the lock so that
@@ -3177,7 +3177,7 @@ int futex_unlock_pi(u32 __user *uaddr, u
 	if (ret)
 		return ret;
 
-	hb = hash_futex(&key);
+	hb = futex_hash(&key);
 	spin_lock(&hb->lock);
 
 	/*