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author | David Woodhouse <dwmw2@infradead.org> | 2007-07-11 17:55:48 +0400 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2007-07-11 17:55:48 +0400 |
commit | db1b39d8b860e3716620c225bc86e0ec41764e34 (patch) | |
tree | 8739074db733ef767400ea92cfbfed9352ddb92d /include/asm-generic | |
parent | a6bc432e296dfa1f05d4b586ca5ca3085a2d42d7 (diff) | |
parent | 4eb6bf6bfb580afaf1e1a1d30cba17a078530cf4 (diff) | |
download | linux-db1b39d8b860e3716620c225bc86e0ec41764e34.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-generic')
-rw-r--r-- | include/asm-generic/bitops/sched.h | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/include/asm-generic/bitops/sched.h b/include/asm-generic/bitops/sched.h index 815bb0148060..604fab7031a6 100644 --- a/include/asm-generic/bitops/sched.h +++ b/include/asm-generic/bitops/sched.h @@ -6,28 +6,23 @@ /* * Every architecture must define this function. It's the fastest - * way of searching a 140-bit bitmap where the first 100 bits are - * unlikely to be set. It's guaranteed that at least one of the 140 - * bits is cleared. + * way of searching a 100-bit bitmap. It's guaranteed that at least + * one of the 100 bits is cleared. */ static inline int sched_find_first_bit(const unsigned long *b) { #if BITS_PER_LONG == 64 - if (unlikely(b[0])) + if (b[0]) return __ffs(b[0]); - if (likely(b[1])) - return __ffs(b[1]) + 64; - return __ffs(b[2]) + 128; + return __ffs(b[1]) + 64; #elif BITS_PER_LONG == 32 - if (unlikely(b[0])) + if (b[0]) return __ffs(b[0]); - if (unlikely(b[1])) + if (b[1]) return __ffs(b[1]) + 32; - if (unlikely(b[2])) + if (b[2]) return __ffs(b[2]) + 64; - if (b[3]) - return __ffs(b[3]) + 96; - return __ffs(b[4]) + 128; + return __ffs(b[3]) + 96; #else #error BITS_PER_LONG not defined #endif |