diff -ruN libuv-v1.51.0/src/unix/core.c libuv-1.51.0-x86_64/src/unix/core.c
--- libuv-v1.51.0/src/unix/core.c	2025-04-25 12:50:27.000000000 +0300
+++ libuv-1.51.0-x86_64/src/unix/core.c	2025-07-23 17:11:06.844349261 +0300
@@ -1036,7 +1036,7 @@
   rusage->ru_stime.tv_sec = usage.ru_stime.tv_sec;
   rusage->ru_stime.tv_usec = usage.ru_stime.tv_usec;
 
-#if !defined(__MVS__) && !defined(__HAIKU__)
+#if !defined(__MVS__) && !defined(__HAIKU__) && !defined(__banan_os__)
   rusage->ru_maxrss = usage.ru_maxrss;
   rusage->ru_ixrss = usage.ru_ixrss;
   rusage->ru_idrss = usage.ru_idrss;