Re: [PATCH TRIVIAL] mm: Fix build warning in kmem_cache_create()

From: David Rientjes
Date: Mon Jul 30 2012 - 22:08:04 EST


On Mon, 30 Jul 2012, Pekka Enberg wrote:

> > -Wunused-label is overridden in gcc for a label that is conditionally
> > referenced by using __maybe_unused in the kernel. I'm not sure what's so
> > obscure about
> >
> > out: __maybe_unused
> >
> > Are label attributes really that obsecure?
>
> I think they are.
>
> The real problem, however, is that label attributes would just paper
> over the badly thought out control flow in the function and not make the
> code any better or easier to read.
>

So much for compromise, I thought we had agreed that at least some of the
checks for !name, in_interrupt() or bad size values should be moved out
from under the #ifdef CONFIG_DEBUG_VM, but this wasn't done. This
discussion would be irrelevent if we actually did what we talked about.
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