-stable review patch. If anyone has any objections, please let us know. --------------------- From: Rolf Eike Beer Fix roundup_pow_of_two(1) 1 is a power of two, therefore roundup_pow_of_two(1) should return 1. It does in case the argument is a variable but in case it's a constant it behaves wrong and returns 0. Probably nobody ever did it so this was never noticed. Signed-off-by: Rolf Eike Beer Signed-off-by: Chris Wright Signed-off-by: Greg Kroah-Hartman --- include/linux/log2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-2.6.21.4.orig/include/linux/log2.h +++ linux-2.6.21.4/include/linux/log2.h @@ -159,7 +159,7 @@ unsigned long __roundup_pow_of_two(unsig #define roundup_pow_of_two(n) \ ( \ __builtin_constant_p(n) ? ( \ - (n == 1) ? 0 : \ + (n == 1) ? 1 : \ (1UL << (ilog2((n) - 1) + 1)) \ ) : \ __roundup_pow_of_two(n) \ -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/