On Wed, 1 Aug 2007 13:06:23 -0700
"Keshavamurthy, Anil S" <[email protected]> wrote:
> +/* Computes the padding size required, to make the
> + * the start address naturally aligned on its size
> + */
> +static int
> +iova_get_pad_size(int size, unsigned int limit_pfn)
> +{
> + unsigned int pad_size = 0;
> + unsigned int order = ilog2(size);
> +
> + if (order)
> + pad_size = (limit_pfn + 1) % (1 << order);
> +
> + return pad_size;
> +}
This isn't obviously doing the right thing for non-power-of-2 inputs.
ilog2() rounds down...
Please check that this, and all the other ilog2()s which have been added
are doing the right thing if they can be presented with non-power-of-2
inputs?
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