12 static __always_inline unsigned long __fls(unsigned long word)  in __fls()  argument
17 	if (!(word & (~0ul << 32))) {  in __fls()
19 		word <<= 32;  in __fls()
22 	if (!(word & (~0ul << (BITS_PER_LONG-16)))) {  in __fls()
24 		word <<= 16;  in __fls()
26 	if (!(word & (~0ul << (BITS_PER_LONG-8)))) {  in __fls()
28 		word <<= 8;  in __fls()
30 	if (!(word & (~0ul << (BITS_PER_LONG-4)))) {  in __fls()
32 		word <<= 4;  in __fls()
34 	if (!(word & (~0ul << (BITS_PER_LONG-2)))) {  in __fls()
36 		word <<= 2;  in __fls()
38 	if (!(word & (~0ul << (BITS_PER_LONG-1))))  in __fls()