Xbox: virtual memory fixes

stepmania/src/RageSoundManager.cpp

@@ -12,6 +12,10 @@
 #include "arch/arch.h"
 #include "arch/Sound/RageSoundDriver.h"
 
+#if defined(XBOX)
+#include "archutils/Xbox/VirtualMemory.h"
+#endif
+
 /*
  * This mutex is locked before Update() deletes old sounds from owned_sounds.  Lock
  * this mutex if you want to ensure that sounds remain valid.  (Other threads may
@@ -217,6 +221,10 @@ RageSound *RageSoundManager::PlaySound( RageSound &snd, const RageSoundParams *p
 	else
 	{
 		sound_to_play = new RageSound(snd);
+#if defined(XBOX)
+		// keep the sound data committed to memory
+		vmem_Manager.Lock(sound_to_play);
+#endif
 
 		/* We're responsible for freeing it. */
 		g_SoundManMutex.Lock(); /* lock for access to owned_sounds */