--- libmalloc/libmalloc-792.80.2/src/magazine_zone.h
+++ libmalloc/libmalloc-646.0.13/src/magazine_zone.h
@@ -735,11 +735,11 @@
 typedef struct large_entry_s {
 	vm_address_t address;
 	vm_size_t size;
-#if CONFIG_MAGAZINE_DEFERRED_RECLAIM
-	mach_vm_reclaim_id_t reclaim_index;
+#if CONFIG_DEFERRED_RECLAIM
+	uint64_t reclaim_index;
 #else
 	boolean_t did_madvise_reusable;
-#endif /* CONFIG_MAGAZINE_DEFERRED_RECLAIM */
+#endif /* CONFIG_DEFERRED_RECLAIM */
 } large_entry_t;
 
 #if !CONFIG_LARGE_CACHE && DEBUG_MALLOC
@@ -785,7 +785,7 @@
 	// Take magazine_lock first,  Depot lock when needed for recirc, then szone->{tiny,small}_regions_lock when needed for alloc
 	_malloc_lock_s magazine_lock MALLOC_CACHE_ALIGN;
 	// Protection for the crtical section that does allocate_pages outside the magazine_lock
-	_malloc_lock_s magazine_alloc_lock;
+	volatile boolean_t alloc_underway;
 
 	// One element deep "death row", optimizes malloc/free/malloc for identical size.
 	void *mag_last_free;