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-rw-r--r--sysdeps/s390/nptl/bits/pthreadtypes-arch.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/s390/nptl/bits/pthreadtypes-arch.h b/sysdeps/s390/nptl/bits/pthreadtypes-arch.h
index 3a9ac57625..1ae277367d 100644
--- a/sysdeps/s390/nptl/bits/pthreadtypes-arch.h
+++ b/sysdeps/s390/nptl/bits/pthreadtypes-arch.h
@@ -45,6 +45,8 @@
 #else
 #define __PTHREAD_MUTEX_LOCK_ELISION	0
 #endif
+#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND  (__WORDSIZE != 64)
+#define __PTHREAD_MUTEX_USE_UNION          (__WORDSIZE != 64)
 
 #define __LOCK_ALIGNMENT
 #define __ONCE_ALIGNMENT