"extern inline" will have different semantics with gcc 4.3, and "static inline" is correct here. Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx> --- --- linux-2.6.22-rc6-mm1/include/asm-mips/processor.h.old 2007-07-07 01:06:35.000000000 +0200 +++ linux-2.6.22-rc6-mm1/include/asm-mips/processor.h 2007-07-07 01:06:57.000000000 +0200 @@ -237,7 +237,7 @@ #define ARCH_HAS_PREFETCH -extern inline void prefetch(const void *addr) +static inline void prefetch(const void *addr) { __asm__ __volatile__( " .set mips4 \n"