SID_ARRAY_SIZE
static unsigned long space_id[SID_ARRAY_SIZE] = { 1 }; /* disallow space 0 */
static unsigned long dirty_space_id[SID_ARRAY_SIZE];
for (i = 0; i < SID_ARRAY_SIZE; i++) {
for (i = 0; i < SID_ARRAY_SIZE; i++) {
for (i = 0; i < SID_ARRAY_SIZE; i++) {
static unsigned long recycle_dirty_array[SID_ARRAY_SIZE];