1 files changed, 25 insertions, 0 deletions

diff --git a/include/asm-x86_64/sembuf.h b/include/asm-x86_64/sembuf.h
new file mode 100644
index 000000000000..63b52925ae2a
--- /dev/null
+++ b/include/asm-x86_64/sembuf.h
@@ -0,0 +1,25 @@
+#ifndef _X86_64_SEMBUF_H
+#define _X86_64_SEMBUF_H
+
+/* 
+ * The semid64_ds structure for x86_64 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct semid64_ds {
+        struct ipc64_perm sem_perm;             /* permissions .. see ipc.h */
+        __kernel_time_t sem_otime;              /* last semop time */
+        unsigned long   __unused1;
+        __kernel_time_t sem_ctime;              /* last change time */
+        unsigned long   __unused2;
+        unsigned long   sem_nsems;              /* no. of semaphores in array */
+        unsigned long   __unused3;
+        unsigned long   __unused4;
+};
+
+#endif /* _X86_64_SEMBUF_H */