Re: [PATCH] for_each_zone / for_each_pgdat

[Oliver Xymoron]

On Mon, 15 Apr 2002, Linus Torvalds wrote:

> On Mon, 15 Apr 2002, Linus Torvalds wrote:
> >
> > Which requires the user to use something like
> >
> > 	for_each_zone(zone) {
> > 		...
> > 	} end_zone;
>
> Side note: I should probably have made this the standard notation for the
> "for_each_xxx ()" macros, because having an "end_xxx" macro means that you
> can start using things like "do { ... } while (x)" loops for the control
> flow, which is often easier for the compiler to optimize (ie if the first
> element is always valid, and you don't need a condition going in, which is
> often true).
>
> It does, of course, end up polluting the name-space a bit more.

Ugh. If we're going to use such ugly things, it would be nice if they were
do_zone/while_zone instead of being suggestive of a for loop.

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