=?gb2312?b?tPC4tA==?=: Prefmem of bus 3
rminnich at lanl.gov
Wed Mar 10 23:03:00 CET 2004
On 10 Mar 2004, Eric W. Biederman wrote:
> It has the additional comment:
> /* Get the resource granularity */
> gran = 1UL << resource->gran;
> /* For a non bridge resource granularity and alignment are the same.
> * For a bridge resource align is the largest needed alignment below
> * the bridge. While the granularity is simply how many low bits of the
> * address cannot be set.
> /* Get the limit (rounded up) */
> limit = base + ((resource->size + gran - 1UL) & ~(gran - 1UL)) -1UL;
not to worry, Ollie and I fixed it too. We're going to have some real
collisions when you commit.
We are using the round() function for clarity, e.g.
limit = base + round(resource->size, gran) - 1UL;
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