--- ./lib/config/defaults.h.orig	2017-04-27 18:16:05.879936377 +0200
+++ ./lib/config/defaults.h	2017-04-27 18:16:35.141849047 +0200
@@ -55,7 +55,11 @@
 #define DEFAULT_LVMLOCKD_LOCK_RETRIES 3
 #define DEFAULT_LVMETAD_UPDATE_WAIT_TIME 10
 #define DEFAULT_PRIORITISE_WRITE_LOCKS 1
+#ifdef __GLIBC__
 #define DEFAULT_USE_MLOCKALL 0
+#else
+#define DEFAULT_USE_MLOCKALL 1
+#endif
 #define DEFAULT_METADATA_READ_ONLY 0
 #define DEFAULT_LVDISPLAY_SHOWS_FULL_DEVICE_PATH 0
 #define DEFAULT_UNKNOWN_DEVICE_NAME "[unknown]"