On Wed, Mar 15, 2006 at 02:29:32PM -0700, Eric W. Biederman wrote:
> If the impact is very slight or unmeasurable this means the option
> needs to fall under CONFIG_EMBEDDED, where you can change if
> every last bit of RAM counts but otherwise you won't care.
But we have a data type that is correct for this usage: dma_addr_t.
> Having > 32bit values on a 32bit platform is not the issue.
>
> Some drivers appear to puke simply because the value is 64bit. Which
> means the driver will have problems on any 64bit kernel. That kind
> of behavior is worth purging.
Forcing it to be a 64 bit value doesn't fix that problem, so that isn't
a valid excuse for adding bloat.
-ben
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