On Wed, 21 Sep 2005, Andrew Morton wrote:
>
> hrmph. Of course it's a reasonable trick from a performance and
> convenience and resource consumption POV. But it's a new idiom and the
> threshold for new idioms is non-zero. We use it in struct page, but struct
> page is special.
Hmm.. I don't feel it is that new, but maybe that's because I've used that
trick in other places. I think it's pretty common in a "type-safe C" way,
and it should probably be encouraged. A unique pointer type for special
usages, that you can't dereference even by mistake..
But adding a few comments might certainly be worth it. If only to teach
others the trick.
Linus
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