From 1e24edca0557dba6486d39d3c24c288475432bcf Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 14 Nov 2016 17:12:23 +0100
Subject: locking/atomic, kref: Add KREF_INIT()

Since we need to change the implementation, stop exposing internals.

Provide KREF_INIT() to allow static initialization of struct kref.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 include/linux/kref.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/linux/kref.h')

diff --git a/include/linux/kref.h b/include/linux/kref.h
index e15828fd71f1..9af255ad1e2f 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -24,6 +24,8 @@ struct kref {
 	atomic_t refcount;
 };
 
+#define KREF_INIT(n)	{ .refcount = ATOMIC_INIT(n), }
+
 /**
  * kref_init - initialize object.
  * @kref: object in question.
-- 
cgit