Re: sparse using insane amounts of memory

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On Thu, 2007-03-08 at 12:34 -0500, Pavel Roskin wrote:

> FIELDS32 expands to some monstrosities.  Look for rt2x00_bbp_write in
> the dump.  Also behold the amount of parentheses in LOWEST_BIT32.
> That's almost certainly the culprit.

Ouch, yeah, looks pretty bad.

> I understand the idea is to make gcc calculate integer logarithms at the
> compile time.  That's nice, but sparse has to do the same, and it's
> probably not optimized for such misuse.

The whole logic there is beyond me without giving it some serious look
so I'll trust you on that :)

johannes

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