linux-kernel - [PATCH v2 3/6] futex: Make futex_private_hash

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Message-ID: <20250710110011.384614-4-bigeasy@linutronix.de>
Date: Thu, 10 Jul 2025 13:00:08 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: linux-kernel@...r.kernel.org
Cc: André Almeida <andrealmeid@...lia.com>,
	Darren Hart <dvhart@...radead.org>,
	Davidlohr Bueso <dave@...olabs.net>,
	Ingo Molnar <mingo@...hat.com>,
	Juri Lelli <juri.lelli@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Valentin Schneider <vschneid@...hat.com>,
	Waiman Long <longman@...hat.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: [PATCH v2 3/6] futex: Make futex_private_hash_get() static

futex_private_hash_get() is not used outside if its compilation unit.
Make it static.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
---
 kernel/futex/core.c  | 2 +-
 kernel/futex/futex.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/kernel/futex/core.c b/kernel/futex/core.c
index 1dcb4c8a2585d..1981574a459d5 100644
--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -143,7 +143,7 @@ static inline bool futex_key_is_private(union futex_key *key)
 	return !(key->both.offset & (FUT_OFF_INODE | FUT_OFF_MMSHARED));
 }
 
-bool futex_private_hash_get(struct futex_private_hash *fph)
+static bool futex_private_hash_get(struct futex_private_hash *fph)
 {
 	if (fph->immutable)
 		return true;
diff --git a/kernel/futex/futex.h b/kernel/futex/futex.h
index fcd1617212eed..c74eac572acd7 100644
--- a/kernel/futex/futex.h
+++ b/kernel/futex/futex.h
@@ -228,14 +228,12 @@ extern void futex_hash_get(struct futex_hash_bucket *hb);
 extern void futex_hash_put(struct futex_hash_bucket *hb);
 
 extern struct futex_private_hash *futex_private_hash(void);
-extern bool futex_private_hash_get(struct futex_private_hash *fph);
 extern void futex_private_hash_put(struct futex_private_hash *fph);
 
 #else /* !CONFIG_FUTEX_PRIVATE_HASH */
 static inline void futex_hash_get(struct futex_hash_bucket *hb) { }
 static inline void futex_hash_put(struct futex_hash_bucket *hb) { }
 static inline struct futex_private_hash *futex_private_hash(void) { return NULL; }
-static inline bool futex_private_hash_get(void) { return false; }
 static inline void futex_private_hash_put(struct futex_private_hash *fph) { }
 #endif
 
-- 
2.50.0