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SubjectRe: Value of __*{init,exit} anotations?
On Wed, Jan 30, 2008 at 04:44:12PM -0600, James Bottomley wrote:
> On Thu, 2008-01-31 at 00:32 +0200, Adrian Bunk wrote:
> > People at linux-arch (Cc'ed) might be better at explaining how often
> > CONFIG_HOTPLUG gets used in real-life systems and how big the savings
> > are there.
> >
> > That might be a good basis for deciding whether it's worth it.
>
> I'll certainly buy this. Perhaps killing everything other than __init
> and __exit (meaning discardable whether the system is hotplug, suspend
> or whatever) might get rid of 90% of the problem while still preserving
> 90% of the benefits. I think a lot of the issues do come from confusion
> over whether it should be __init, __devinint etc .

Just looking at HOTPLUG on ARM by a simple grep, 57 default configurations
for various machines are hotplug enabled out of 75 - so it's roughly 75%.
Whether that 25% remainder cares or not, I'm not sure.

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:


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