--- libmalloc/libmalloc-474.0.13/tests/madvise.c
+++ libmalloc/libmalloc-657.60.21/tests/madvise.c
@@ -10,9 +10,6 @@
 #include "platform.h"
 #include "nano_zone_common.h"
 #include "nano_zone.h"
-
-extern int
-malloc_engaged_nano(void);
 
 #define T_EXPECT_BYTES(p, len, byte, msg, ...) do { \
 	char *_p = (char *)(p); \
@@ -29,7 +26,7 @@
 // madvise behaviour predictable under test.
 T_DECL(madvise_free_debug, "test vm.madvise_free_debug",
 	   T_META_SYSCTL_INT("vm.madvise_free_debug=1"),
-	   T_META_ASROOT(YES))
+	   T_META_ASROOT(YES), T_META_TAG_VM_NOT_PREFERRED)
 {
 	// Map 32k of memory.
 	size_t memsz = 32 * vm_page_size;
@@ -352,6 +349,7 @@
 }
 
 T_DECL(tiny_aggressive_madvise, "tiny allocator free with MallocAggressiveMadvise=1",
+	   T_META_TAG_VM_NOT_PREFERRED,
 	   T_META_SYSCTL_INT("vm.madvise_free_debug=1"),
 	   T_META_ENVVAR("MallocNanoZone=0"),
 	   T_META_ENVVAR("MallocAggressiveMadvise=1"),
@@ -364,6 +362,7 @@
 T_DECL(small_aggressive_madvise, "small allocator free with MallocAggressiveMadvise=1",
 	   T_META_SYSCTL_INT("vm.madvise_free_debug=1"),
 	   T_META_ENVVAR("MallocAggressiveMadvise=1"),
+	   T_META_TAG_VM_NOT_PREFERRED,
 	   T_META_ENABLED(CONFIG_AGGRESSIVE_MADVISE),
 	   T_META_ASROOT(YES))
 {
@@ -377,7 +376,8 @@
 	   T_META_ENVVAR("MallocAggressiveMadvise=1"),
 	   T_META_ENABLED(CONFIG_MEDIUM_ALLOCATOR),
 	   T_META_ENABLED(CONFIG_AGGRESSIVE_MADVISE),
-	   T_META_ASROOT(YES))
+	   T_META_ASROOT(YES),
+	   T_META_TAG_VM_NOT_PREFERRED)
 {
 	test_aggressive_madvise(16 * 64 * 1024, 64 * 1024);
 }