extern XBT_PRIVATE char* smpi_start_data_exe; //start of the data+bss segment of the executable
extern XBT_PRIVATE int smpi_size_data_exe; //size of the data+bss segment of the executable
+typedef enum { shmalloc_none, shmalloc_local, shmalloc_global } shared_malloc_type;
+extern XBT_PRIVATE shared_malloc_type smpi_cfg_shared_malloc; // Whether to activate shared malloc
+
XBT_PRIVATE void smpi_switch_data_segment(int dest);
XBT_PRIVATE void smpi_really_switch_data_segment(int dest);
XBT_PRIVATE int smpi_is_privatisation_file(char* file);