diff -ruN Python-3.13.3/Objects/mimalloc/prim/unix/prim.c Python-3.13.3-banan_os/Objects/mimalloc/prim/unix/prim.c
--- Python-3.13.3/Objects/mimalloc/prim/unix/prim.c	2025-04-08 16:54:08.000000000 +0300
+++ Python-3.13.3-banan_os/Objects/mimalloc/prim/unix/prim.c	2025-04-19 02:14:12.417811656 +0300
@@ -608,10 +608,13 @@
   getrusage(RUSAGE_SELF, &rusage);
   pinfo->utime = timeval_secs(&rusage.ru_utime);
   pinfo->stime = timeval_secs(&rusage.ru_stime);
-#if !defined(__HAIKU__)
+#if !defined(__HAIKU__) && !defined(__banan_os__)
   pinfo->page_faults = rusage.ru_majflt;
 #endif
-#if defined(__HAIKU__)
+#if defined(__banan_os__)
+  pinfo->page_faults = 0;
+  pinfo->peak_rss = 0;
+#elif defined(__HAIKU__)
   // Haiku does not have (yet?) a way to
   // get these stats per process
   thread_info tid;