diff -up sbcl-1.4.14/src/runtime/linux-os.c.me sbcl-1.4.14/src/runtime/linux-os.c
--- sbcl-1.4.14/src/runtime/linux-os.c.me	2020-02-19 13:40:23.861045110 +0100
+++ sbcl-1.4.14/src/runtime/linux-os.c	2020-02-19 13:46:55.135435217 +0100
@@ -64,7 +64,7 @@ int personality (unsigned long);
 #include <sys/personality.h>
 #endif
 
-size_t os_vm_page_size;
+//size_t os_vm_page_size;
 
 #if defined(LISP_FEATURE_SB_THREAD) && defined(LISP_FEATURE_SB_FUTEX) && !defined(LISP_FEATURE_SB_PTHREAD_FUTEX)
 #include <sys/syscall.h>