1 /* mips64n32 uses __NR_mmap for mmap64 while still having sizeof (off_t) 2 smaller than sizeof (off64_t). So it allows mapping large offsets 3 using mmap64 than 32-bit archs which uses __NR_mmap2. */ 4 5 static inline uint64_t mmap64_maximum_offset(long int page_shift)6mmap64_maximum_offset (long int page_shift) 7 { 8 #if _MIPS_SIM == _ABIN32 || _MIPS_SIM == _ABI64 9 return UINT64_MAX; 10 #else 11 return (UINT64_C(1) << (page_shift + (8 * sizeof (off_t)))) - 1; 12 #endif 13 } 14