PTR_DIFF           26 arch/s390/kernel/crash_dump.c #define PTR_DIFF(x, y) ((unsigned long)(((char *) (x)) - ((unsigned long) (y))))
PTR_DIFF          109 drivers/atm/nicstar.c #define PTR_DIFF(a, b)	((u32)((unsigned long)(a) - (unsigned long)(b)))
PTR_DIFF           34 drivers/net/ethernet/sfc/tx_tso.c #define PTR_DIFF(p1, p2)  ((u8 *)(p1) - (u8 *)(p2))