__xchg64 20 arch/parisc/include/asm/cmpxchg.h extern unsigned long __xchg64(unsigned long, unsigned long *); __xchg64 29 arch/parisc/include/asm/cmpxchg.h case 8: return __xchg64(x, (unsigned long *) ptr); __xchg64 34 arch/parisc/kernel/parisc_ksyms.c EXPORT_SYMBOL(__xchg64);