--- libmalloc/libmalloc-166.200.60/src/vm.h
+++ libmalloc/libmalloc-140.1.1/src/vm.h
@@ -49,7 +49,11 @@
 
 MALLOC_NOEXPORT
 int
-mvm_madvise_free(void *szone, void *r, uintptr_t pgLo, uintptr_t pgHi, uintptr_t *last, boolean_t scribble);
+mvm_madvise_free(rack_t *szone, region_t r, uintptr_t pgLo, uintptr_t pgHi, uintptr_t *last);
+
+MALLOC_NOEXPORT
+int
+mvm_madvise_reuse(region_t r, uintptr_t pgLo, uintptr_t phHi, uint32_t debug_flags);
 
 MALLOC_NOEXPORT
 void