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bitops: Add for_each_bit helper

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Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov 2012-11-26 18:38:15 +04:00 • committed by Pavel Emelyanov
parent c5083e4750
commit aa53547aed
1 changed files with 5 additions and 0 deletions
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5
include/bitops.h
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@ -106,6 +106,11 @@ found_middle:
return result + __ffs(tmp);
}
#define for_each_bit(i, bitmask) \
for (i = find_next_bit(bitmask, sizeof(bitmask), 0); \
i < sizeof(bitmask); \
i = find_next_bit(bitmask, sizeof(bitmask), i + 1))
#else /* CONFIG_X86_64 */
# error x86-32 is not implemented yet
#endif /* CONFIG_X86_64 */