13 static inline unsigned long generic_ffz(unsigned long word)
17 for (i = 0; i < sizeof(word) * 8; i++)
18 if ((word & (1UL << i)) == 0)
26 #elif defined(__x86_64__)
27 #include "arch-x86_64.h"
28 #elif defined(__powerpc__) || defined(__powerpc64__)
30 #elif defined(__ia64__)
31 #include "arch-ia64.h"
32 #elif defined(__alpha__)
33 #include "arch-alpha.h"
34 #elif defined(__s390x__) || defined(__s390__)
35 #include "arch-s390.h"
37 #error "Unsupported arch"
40 #define BITS_PER_LONG (__WORDSIZE)