[dm-devel] Re: [2.6.22 PATCH 23/26] dm delay:

[Andrew Morton <akpm linux-foundation org>]

On Thu, 10 May 2007 12:04:50 -0700 (PDT) Christoph Lameter <clameter sgi com> wrote:

> On Thu, 10 May 2007, Andrew Morton wrote:
> 
> > > > +	delayed_cache = kmem_cache_create("dm-delay",
> > > > +					  sizeof(struct delay_info),
> > > > +					  __alignof__(struct delay_info),
> > > > +					  0, NULL, NULL);
> > > 
> > > We have an ugly^Wnice new KMEM_CACHE macro for this now.
> 
> How could I nicify the macro? Lower case?

Lower case would be worse, IMO.  Upper-case says "this is a macro".  Lower-case
macros are OK when they are macros pretending to be functions, but KMEM_CACHE
is not such a thing.

I don't think it can be nicified, except by removing it.  We generally
prefer to open-code things rather than wrapping them up in macros.

But given the amount of variation amongst callers and the number of times
this got screwed up, I agree that burying those details at a single site
makes sense in this instance.