-void sgen_pin_queue_clear_discarded_entries (GCMemSection *section, int max_pin_slot) MONO_INTERNAL;
-int sgen_get_pinned_count (void) MONO_INTERNAL;
+void sgen_pin_queue_clear_discarded_entries (GCMemSection *section, size_t max_pin_slot) MONO_INTERNAL;
+size_t sgen_get_pinned_count (void) MONO_INTERNAL;