--- libmalloc/libmalloc-792.80.2/tests/malloc_size_test.c
+++ libmalloc/libmalloc-657.80.3/tests/malloc_size_test.c
@@ -38,8 +38,7 @@
 }
 
 T_DECL(malloc_size_valid, "Test malloc_size() on valid pointers, non-Nano",
-	   T_META_ENVVAR("MallocNanoZone=0"), T_META_TAG_ALL_ALLOCATORS,
-	   T_META_TAG_VM_PREFERRED)
+	   T_META_ENVVAR("MallocNanoZone=0"), T_META_TAG_XZONE, T_META_TAG_VM_NOT_PREFERRED)
 {
 	// Test various sizes, roughly targetting each allocator range.
 	test_malloc_size_valid(2, 256, 16);
@@ -48,15 +47,13 @@
 }
 
 T_DECL(malloc_size_valid_nanov2, "Test malloc_size() on valid pointers for Nanov2",
-	   T_META_ENVVAR("MallocNanoZone=V2"), T_META_TAG_ALL_ALLOCATORS,
-	   T_META_TAG_VM_PREFERRED)
+	   T_META_ENVVAR("MallocNanoZone=V2"), T_META_TAG_XZONE, T_META_TAG_VM_NOT_PREFERRED)
 {
 	test_malloc_size_valid(2, 256, 16);
 }
 
 T_DECL(malloc_size_invalid, "Test malloc_size() on invalid pointers, non-Nano",
-	   T_META_ENVVAR("MallocNanoZone=0"), T_META_TAG_VM_PREFERRED,
-	   T_META_TAG_ALL_ALLOCATORS)
+	   T_META_ENVVAR("MallocNanoZone=0"), T_META_TAG_VM_NOT_PREFERRED)
 {
 	// Test various sizes, roughly targetting each allocator range.
 	test_malloc_size_invalid(2, 256, 16);
@@ -65,8 +62,7 @@
 }
 
 T_DECL(malloc_size_invalid_nanov2, "Test malloc_size() on valid pointers for Nanov2",
-	   T_META_ENVVAR("MallocNanoZone=V2"), T_META_TAG_VM_PREFERRED,
-	   T_META_TAG_ALL_ALLOCATORS)
+	   T_META_ENVVAR("MallocNanoZone=V2"), T_META_TAG_VM_NOT_PREFERRED)
 {
 	test_malloc_size_invalid(2, 256, 16);
 }
@@ -77,7 +73,8 @@
 #if !MALLOC_TARGET_EXCLAVES
 T_DECL(malloc_size_invalid_xzone,
 		"Test malloc_size() on invalid pointers for xzone",
-		T_META_TAG_XZONE_ONLY, T_META_TAG_VM_PREFERRED)
+		T_META_TAG_XZONE_ONLY,
+	    T_META_TAG_VM_NOT_PREFERRED)
 {
 	// Exhaust early budget
 	void *ptr = NULL;
@@ -132,23 +129,23 @@
 
 #if TARGET_OS_OSX
 T_DECL(malloc_size_large_allocation, "Test malloc_size() on buffers > 4GB",
-		T_META_TAG_ALL_ALLOCATORS, T_META_TAG_VM_PREFERRED)
+		T_META_TAG_XZONE, T_META_TAG_VM_NOT_PREFERRED)
 {
 	void *ptr = malloc(GiB(4));
 	T_ASSERT_NOTNULL(ptr, "4GB allocation");
-	T_ASSERT_GE(malloc_size(ptr), (size_t)GiB(4), "size of 4GB allocation");
+	T_ASSERT_GE(malloc_size(ptr), GiB(4), "size of 4GB allocation");
 	free(ptr);
 
 	ptr = malloc(GiB(6));
 	T_ASSERT_NOTNULL(ptr, "6GB allocation");
-	T_ASSERT_GE(malloc_size(ptr), (size_t)GiB(6), "size of 6GB allocation");
+	T_ASSERT_GE(malloc_size(ptr), GiB(6), "size of 6GB allocation");
 	free(ptr);
 }
 #endif // TARGET_OS_OSX
 
 T_DECL(malloc_size_multi_segment,
 		"Make a multi-segment allocation, and pass inner pointers to malloc_size",
-		T_META_TAG_XZONE_ONLY, T_META_TAG_VM_PREFERRED)
+		T_META_TAG_XZONE_ONLY, T_META_TAG_VM_NOT_ELIGIBLE)
 {
 	void *ptr = malloc(MiB(12));
 	T_ASSERT_NOTNULL(ptr, "HUGE allocation");
@@ -164,7 +161,7 @@
 #if TARGET_OS_OSX
 T_DECL(malloc_size_outside_embedded_space,
 		"Make enough allocations to push address space beyond 64GB",
-		T_META_TAG_XZONE_ONLY, T_META_TAG_VM_PREFERRED)
+		T_META_TAG_XZONE_ONLY, T_META_TAG_VM_NOT_ELIGIBLE)
 {
 	// Make 32 2GB allocations (don't fault them to avoid dirty memory) to
 	// exhaust the embedded/low segment table address space
@@ -179,12 +176,12 @@
 	// The next allocation should always be above the 64GB mark
 	void *high_ptr = malloc(size);
 	T_ASSERT_NOTNULL(high_ptr, "Allocation outside embedded address space");
-	T_ASSERT_LE((uintptr_t)GiB(64), (uintptr_t)high_ptr, "Allocated pointer above 64GB");
+	T_ASSERT_LE(GiB(64), (uintptr_t)high_ptr, "Allocated pointer above 64GB");
 	T_ASSERT_LE(size, malloc_size(high_ptr),
 			"Size of pointer outside embedded address space");
 
 	free(high_ptr);
-	T_ASSERT_EQ(0ul, malloc_size(high_ptr), "Size is zero after freeing");
+	T_ASSERT_EQ(0, malloc_size(high_ptr), "Size is zero after freeing");
 
 	for (int i = 0; i < num_pointers; i++) {
 		free(ptrs[i]);
@@ -193,7 +190,7 @@
 #endif // TARGET_OS_OSX
 
 T_DECL(malloc_size_max_good_size, "Check malloc_good_size(SIZE_MAX)",
-		T_META_TAG_ALL_ALLOCATORS, T_META_TAG_VM_PREFERRED,
+		T_META_TAG_XZONE, T_META_TAG_NANO_ON_XZONE,
 		T_META_ENVVAR("MallocNanoZone=1"))
 {
 	size_t request_size = SIZE_MAX - 5;