182 static inline u32 flip_4_bits(u32 x)  in flip_4_bits()  function
212 	addrhswapped = flip_4_bits(addrh & 0xf)  in hash_function()
213 		+ ((flip_4_bits((addrh >> 4) & 0xf)) << 4)  in hash_function()
214 		+ ((flip_4_bits((addrh >> 8) & 0xf)) << 8)  in hash_function()
215 		+ ((flip_4_bits((addrh >> 12) & 0xf)) << 12);  in hash_function()
217 	addrlswapped = flip_4_bits(addrl & 0xf)  in hash_function()
218 		+ ((flip_4_bits((addrl >> 4) & 0xf)) << 4)  in hash_function()
219 		+ ((flip_4_bits((addrl >> 8) & 0xf)) << 8)  in hash_function()
220 		+ ((flip_4_bits((addrl >> 12) & 0xf)) << 12)  in hash_function()
221 		+ ((flip_4_bits((addrl >> 16) & 0xf)) << 16)  in hash_function()
222 		+ ((flip_4_bits((addrl >> 20) & 0xf)) << 20)  in hash_function()
223 		+ ((flip_4_bits((addrl >> 24) & 0xf)) << 24)  in hash_function()
224 		+ ((flip_4_bits((addrl >> 28) & 0xf)) << 28);  in hash_function()