RE: [PATCH net-next v2 2/3] net: add trim helper and convert users

From: David Laight
Date: Fri Jan 17 2014 - 04:55:29 EST


From: Hannes Frederic Sowa
...
> +/**
> + * trim - perform a reciprocal multiplication in order to "clamp" a
> + * value into range [0, ep_ro), where the upper interval
> + * endpoint is right-open. This is useful, e.g. for accessing
> + * a index of an array containing ep_ro elements, for example.
> + * Think of it as sort of modulus, only that the result isn't
> + * that of modulo. ;)
> + * More: http://homepage.cs.uiowa.edu/~jones/bcd/divide.html

It isn't appropriate to put urls into code comments (or commit messages).
They are very likely to get out of date.

David



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