#error Define GOLDEN_RATIO_PRIME for your wordsize.
#endif
-static inline unsigned long hash_long(unsigned long val, unsigned int bits)
+#define GR_PRIME_64 0x9e37fffffffc0001ULL
+
+static inline unsigned long __hash_long(unsigned long val)
{
unsigned long hash = val;
hash *= GOLDEN_RATIO_PRIME;
#endif
+ return hash;
+}
+
+static inline unsigned long hash_long(unsigned long val, unsigned int bits)
+{
/* High bits are more random, so use them. */
- return hash >> (BITS_PER_LONG - bits);
+ return __hash_long(val) >> (BITS_PER_LONG - bits);
+}
+
+static inline uint64_t __hash_u64(uint64_t val)
+{
+ return val * GR_PRIME_64;
}
static inline unsigned long hash_ptr(void *ptr, unsigned int bits)
{
- return hash_long((unsigned long)ptr, bits);
+ return hash_long((uintptr_t)ptr, bits);
}
/*