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yaml
---
r: 58301
b: refs/heads/master
c: ff80a77
h: refs/heads/master
i:
  58299: 3eeb842
v: v3
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Mike Galbraith authored and Ingo Molnar committed Jul 9, 2007
1 parent 3207d0e commit 2393e64
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Showing 2 changed files with 9 additions and 14 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5e7eaade55d53da856f0e07dc9c188f78f780192
refs/heads/master: ff80a77f20f811c0cc5b251d0f657cbc6f788385
21 changes: 8 additions & 13 deletions trunk/include/asm-generic/bitops/sched.h
Original file line number Diff line number Diff line change
Expand Up @@ -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
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