Index: include/proc/thread.h
===================================================================
--- include/proc/thread.h	(revision 9c926f39b8a11f838823c4f9c29d773f16ec79ce)
+++ include/proc/thread.h	(revision bc4a49f35b822101a8e091d5cd55e8e58ae06be1)
@@ -75,4 +75,7 @@
 	context_t sleep_timeout_context;
 	fpu_context_t saved_fpu_context;	               
+	int fpu_context_exists;	               
+	int fpu_context_engaged;               /* Defined only if thread doesn't run. It means that fpu context is in CPU 
+						that last time executes this thread. This disables migration */