mcexec: -m: interpret as numactl -m (i.e., MPOL_BIND)

Conflicts:
	executer/include/uprotocol.h
	executer/user/mcexec.c
	kernel/include/syscall.h

kernel/include/process.h

@@ -553,6 +553,7 @@ struct process {
 	unsigned long mpol_flags;
 	size_t mpol_threshold;
 	unsigned long heap_extension;
+	unsigned long mpol_bind_mask;
 
 	// perf_event
 	int perf_status;

kernel/include/syscall.h

@@ -198,6 +198,7 @@ struct program_load_desc {
 	unsigned long mpol_threshold;
 	unsigned long heap_extension;
 	long stack_premap;
+	unsigned long mpol_bind_mask;
 	int nr_processes;
 	char shell_path[SHELL_PATH_MAX_LEN];
 	__cpu_set_unit cpu_set[PLD_CPU_SET_SIZE];