Re: does CONFIG_UNUSED_SYMBOLS have any value anymore?

[Robert P. J. Day]

On Thu, 19 Jul 2007, Arjan van de Ven wrote:

> Stefan Richter wrote:
> > Robert P. J. Day wrote:
> > ...
> > > it's not clear if that means that it was a *one-time* transition
> > > aid which is now unnecessary, or whether it's an *ongoing* aid which
> > > might be used at any time.  currently, there are no invocations of
> > > EXPORT_UNUSED_SYMBOL[_GPL] anywhere in the tree.  so does that mean
> > > this feature can be tossed?  or might it still be used every so often?
>
> it's one of those pieces of infrastructure that get used from time
> to time to phase out symbol exports... we should be more agressive
> about that; about 1/3rd of the exports is not used by anything in
> linux, yet each symbol costs about 100 bytes of memory at runtime.

ok, so maybe its removal file entry should be deleted if it's going to
hang around.  your call.

rday
-- 
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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

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