diff --git a/libexec/rtld-elf/ia64/rtld_machdep.h b/libexec/rtld-elf/ia64/rtld_machdep.h
index 4a68ff79d1ad..b00a90fcb9ac 100644
--- a/libexec/rtld-elf/ia64/rtld_machdep.h
+++ b/libexec/rtld-elf/ia64/rtld_machdep.h
@@ -69,4 +69,6 @@ extern void *__tls_get_addr(unsigned long module, unsigned long offset);
 #define	RTLD_DEFAULT_STACK_PF_EXEC	0
 #define	RTLD_DEFAULT_STACK_EXEC		0
 
+#define	RTLD_INIT_PAGESIZES_EARLY	1
+
 #endif
diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c
index ed313e1f82f6..0c53a16b300d 100644
--- a/libexec/rtld-elf/rtld.c
+++ b/libexec/rtld-elf/rtld.c
@@ -1802,6 +1802,11 @@ init_rtld(caddr_t mapbase, Elf_Auxinfo **aux_info)
     const Elf_Dyn *dyn_soname;
     const Elf_Dyn *dyn_runpath;
 
+#ifdef RTLD_INIT_PAGESIZES_EARLY
+    /* The page size is required by the dynamic memory allocator. */
+    init_pagesizes(aux_info);
+#endif
+
     /*
      * Conjure up an Obj_Entry structure for the dynamic linker.
      *
@@ -1838,8 +1843,10 @@ init_rtld(caddr_t mapbase, Elf_Auxinfo **aux_info)
     /* Now that non-local variables can be accesses, copy out obj_rtld. */
     memcpy(&obj_rtld, &objtmp, sizeof(obj_rtld));
 
+#ifndef RTLD_INIT_PAGESIZES_EARLY
     /* The page size is required by the dynamic memory allocator. */
     init_pagesizes(aux_info);
+#endif
 
     if (aux_info[AT_OSRELDATE] != NULL)
 	    osreldate = aux_info[AT_OSRELDATE]->a_un.a_val;