[PATCH] Support for hugetlb backed shared memory

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/os-linux.h b/os-linux.h
index 752d17e..e456ebc 100644
--- a/os-linux.h
+++ b/os-linux.h
@@ -18,6 +18,7 @@
 #define FIO_HAVE_SPLICE
 #define FIO_HAVE_IOSCHED_SWITCH
 #define FIO_HAVE_ODIRECT
+#define FIO_HAVE_HUGETLB
 
 #define OS_MAP_ANON		(MAP_ANONYMOUS)