PC_FREEN
[0 ... _NPCM - 2] = PC_FREEN,
pc->pc_map[0] = PC_FREEN & ~1ul; /* preallocated bit 0 */
pc->pc_map[1] = PC_FREEN;
pc->pc_map[0] = PC_FREEN;
pc->pc_map[1] = PC_FREEN;
[0 ... _NPCM - 2] = PC_FREEN,
[0 ... _NPCM - 2] = PC_FREEN,
[0 ... _NPCM - 2] = PC_FREEN,
[0 ... _NPCM - 2] = PC_FREEN,
pc->pc_map[0] = PC_FREEN & ~1ul; /* preallocated bit 0 */
pc->pc_map[1] = PC_FREEN;
pc->pc_map[0] = PC_FREEN;
pc->pc_map[1] = PC_FREEN;
if (pc->pc_map[i] != PC_FREEN)