--- a/opal/mca/memory/patcher/memory_patcher_component.c
+++ b/opal/mca/memory/patcher/memory_patcher_component.c
@@ -295,14 +295,17 @@
 {
     int result = 0;
 
-    if (advice == MADV_DONTNEED ||
+    if (
+#    ifdef POSIX_MADV_DONTNEED
+        advice == POSIX_MADV_DONTNEED ||
+#    endif
 #    ifdef MADV_FREE
         advice == MADV_FREE ||
 #    endif
 #    ifdef MADV_REMOVE
         advice == MADV_REMOVE ||
 #    endif
-        advice == POSIX_MADV_DONTNEED) {
+        advice == MADV_DONTNEED) {
         opal_mem_hooks_release_hook(start, length, true);
     }