Set d_m3AllocateLinearMemory to 0, improve explanation
// TODO: This flag is temporary
-// It's enabled by default for Linux, OS X, Win32 and Android builds
+// It's enabled in build scripts for Linux, OS X, Win32 and Android targets
// and disabled on other platforms, i.e. microcontrollers
# ifndef d_m3AllocateLinearMemory
-# define d_m3AllocateLinearMemory 1
+# define d_m3AllocateLinearMemory 0
# endif
# ifndef d_m3FixedHeapAlign
