osx : malloc.h => malloc/malloc.h

engine/zone.cpp

@@ -133,7 +133,14 @@ void Hunk_Print()
 void Memory_Init( void )
 {
 	MEM_ALLOC_CREDIT();
+
+#ifdef PLATFORM_64BITS
+    // Seems to need to be larger to not get exhausted on
+    // 64-bit. Perhaps because of larger pointer sizes.
+    int nMaxBytes = 128*1024*1024;
+#else
 	int nMaxBytes = 48*1024*1024;
+#endif
 	const int nMinCommitBytes = 0x8000;
 #ifndef HUNK_USE_16MB_PAGE
 	const int nInitialCommit = 0x280000;