mcexec: transfer job information to LWK

kernel/include/process.h

@@ -549,6 +549,7 @@ struct process {
 	mcs_lock_node_t profile_lock;
 	struct profile_event *profile_events;
 #endif // PROFILE_ENABLE
+	int nr_processes; /* For partitioned execution */
 };
 
 void hold_thread(struct thread *ftn);

kernel/include/syscall.h

@@ -194,6 +194,7 @@ struct program_load_desc {
 	unsigned long interp_align;
 	unsigned long mpol_flags;
 	unsigned long mpol_threshold;
+	int nr_processes;
 	char shell_path[SHELL_PATH_MAX_LEN];
 	__cpu_set_unit cpu_set[PLD_CPU_SET_SIZE];
 	struct program_image_section sections[0];