diff options
Diffstat (limited to 'arch/alpha/include')
| -rw-r--r-- | arch/alpha/include/asm/bitops.h | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h index 296da1d5ed57..1dce24bc455a 100644 --- a/arch/alpha/include/asm/bitops.h +++ b/arch/alpha/include/asm/bitops.h | |||
| @@ -438,22 +438,20 @@ static inline unsigned int __arch_hweight8(unsigned int w) | |||
| 438 | 438 | ||
| 439 | /* | 439 | /* |
| 440 | * Every architecture must define this function. It's the fastest | 440 | * Every architecture must define this function. It's the fastest |
| 441 | * way of searching a 140-bit bitmap where the first 100 bits are | 441 | * way of searching a 100-bit bitmap. It's guaranteed that at least |
| 442 | * unlikely to be set. It's guaranteed that at least one of the 140 | 442 | * one of the 100 bits is cleared. |
| 443 | * bits is set. | ||
| 444 | */ | 443 | */ |
| 445 | static inline unsigned long | 444 | static inline unsigned long |
| 446 | sched_find_first_bit(unsigned long b[3]) | 445 | sched_find_first_bit(const unsigned long b[2]) |
| 447 | { | 446 | { |
| 448 | unsigned long b0 = b[0], b1 = b[1], b2 = b[2]; | 447 | unsigned long b0, b1, ofs, tmp; |
| 449 | unsigned long ofs; | ||
| 450 | 448 | ||
| 451 | ofs = (b1 ? 64 : 128); | 449 | b0 = b[0]; |
| 452 | b1 = (b1 ? b1 : b2); | 450 | b1 = b[1]; |
| 453 | ofs = (b0 ? 0 : ofs); | 451 | ofs = (b0 ? 0 : 64); |
| 454 | b0 = (b0 ? b0 : b1); | 452 | tmp = (b0 ? b0 : b1); |
| 455 | 453 | ||
| 456 | return __ffs(b0) + ofs; | 454 | return __ffs(tmp) + ofs; |
| 457 | } | 455 | } |
| 458 | 456 | ||
| 459 | #include <asm-generic/bitops/ext2-non-atomic.h> | 457 | #include <asm-generic/bitops/ext2-non-atomic.h> |