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authorPeter Zijlstra <peterz@infradead.org>2016-11-14 17:12:23 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-14 11:37:18 +0100
commit1e24edca0557dba6486d39d3c24c288475432bcf (patch)
tree9ee0931fdfa80b2b2b809bd26ad2aced7c8bce33 /kernel/pid.c
parent2b0b211134a65401ed874ce0d5d48844f4f6f341 (diff)
downloadlinux-1e24edca0557dba6486d39d3c24c288475432bcf.tar.bz2
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>
Diffstat (limited to 'kernel/pid.c')
-rw-r--r--kernel/pid.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/pid.c b/kernel/pid.c
index f66162f2359b..0291804151b5 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -68,9 +68,7 @@ static inline int mk_pid(struct pid_namespace *pid_ns,
* the scheme scales to up to 4 million PIDs, runtime.
*/
struct pid_namespace init_pid_ns = {
- .kref = {
- .refcount = ATOMIC_INIT(2),
- },
+ .kref = KREF_INIT(2),
.pidmap = {
[ 0 ... PIDMAP_ENTRIES-1] = { ATOMIC_INIT(BITS_PER_PAGE), NULL }
},