From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: linux-kernel@vger.kernel.org, rcu@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
MengEn Sun <mengensun@tencent.com>,
Thomas Gleixner <tglx@linutronix.de>,
YueHong Wu <yuehongwu@tencent.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
Joel Fernandes <joel@joelfernandes.org>,
Josh Triplett <josh@joshtriplett.org>,
Boqun Feng <boqun.feng@gmail.com>,
Uladzislau Rezki <urezki@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Zqiang <qiang.zhang1211@gmail.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [PATCH 1/4] rcu: Provide a static initializer for hlist_nulls_head.
Date: Mon, 3 Feb 2025 16:05:22 +0100 [thread overview]
Message-ID: <20250203150525.456525-2-bigeasy@linutronix.de> (raw)
In-Reply-To: <20250203150525.456525-1-bigeasy@linutronix.de>
Provide a static initializer for hlist_nulls_head so that it can be used
in statically defined data structures.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/list_nulls.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h
index fa6e8471bd227..248db9b77ee24 100644
--- a/include/linux/list_nulls.h
+++ b/include/linux/list_nulls.h
@@ -28,6 +28,7 @@ struct hlist_nulls_node {
#define NULLS_MARKER(value) (1UL | (((long)value) << 1))
#define INIT_HLIST_NULLS_HEAD(ptr, nulls) \
((ptr)->first = (struct hlist_nulls_node *) NULLS_MARKER(nulls))
+#define HLIST_NULLS_HEAD_INIT(nulls) {.first = (struct hlist_nulls_node *)NULLS_MARKER(nulls)}
#define hlist_nulls_entry(ptr, type, member) container_of(ptr,type,member)
--
2.47.2
next prev parent reply other threads:[~2025-02-03 15:05 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-03 15:05 [PATCH 0/4] ucount: Simplify refcounting with rcuref_t Sebastian Andrzej Siewior
2025-02-03 15:05 ` Sebastian Andrzej Siewior [this message]
2025-02-03 15:05 ` [PATCH 2/4] ucount: Replace get_ucounts_or_wrap() with atomic_inc_not_zero() Sebastian Andrzej Siewior
2025-02-03 15:05 ` [PATCH 3/4] ucount: Use RCU for ucounts lookups Sebastian Andrzej Siewior
2025-02-03 15:05 ` [PATCH 4/4] ucount: Use rcuref_t for reference counting Sebastian Andrzej Siewior
2025-02-04 2:00 ` [PATCH 0/4] ucount: Simplify refcounting with rcuref_t Paul E. McKenney
2025-02-07 20:48 ` Sebastian Andrzej Siewior
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