On Tue, 6 Mar 2007, David Howells wrote:
> @@ -159,8 +175,8 @@ unsigned long __roundup_pow_of_two(unsigned long n)
> #define roundup_pow_of_two(n) \
> ( \
> __builtin_constant_p(n) ? ( \
> - (n == 1) ? 0 : \
> - (1UL << (ilog2((n) - 1) + 1)) \
> + (n == 1) ? 1 : \
> + (1UL << ilog2_up(n)) \
> ) : \
> __roundup_pow_of_two(n) \
That seems bogus. "n == 1" should give "0", no?
Linus
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