summaryrefslogtreecommitdiffstats
path: root/ipc/mqueue.c
diff options
context:
space:
mode:
Diffstat (limited to 'ipc/mqueue.c')
-rw-r--r--ipc/mqueue.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index fd2e26b6f966..41ecbd440fed 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -25,6 +25,8 @@
#include <linux/netlink.h>
#include <linux/syscalls.h>
#include <linux/signal.h>
+#include <linux/mutex.h>
+
#include <net/sock.h>
#include "util.h"
@@ -51,7 +53,6 @@
#define HARD_MSGMAX (131072/sizeof(void*))
#define DFLT_MSGSIZEMAX 8192 /* max message size */
-#define NOTIFY_COOKIE_LEN 32
struct ext_wait_queue { /* queue of sleeping tasks */
struct task_struct *task;
@@ -761,7 +762,7 @@ out_unlock:
* The receiver accepts the message and returns without grabbing the queue
* spinlock. Therefore an intermediate STATE_PENDING state and memory barriers
* are necessary. The same algorithm is used for sysv semaphores, see
- * ipc/sem.c fore more details.
+ * ipc/sem.c for more details.
*
* The same algorithm is used for senders.
*/