Re: [PATCH] Add the LED burst trigger

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On Fri, 2013-12-27 at 18:13 +0000, One Thousand Gnomes wrote:
> > Well, this one will be really smaller. And yes, it will make some
> > memory non-swappable, but I believe with triggers and infrastructure
> > for N900 (and similar) it will be worth it.
> 
> Ah yes thats such a major proportion of platforms
> 
> > Plus, it will actually save CPU cycles, and thus significant power.
> 
> All of which will be totally wiped out if you bump all the millions of
> x86 server boxes in the world up by one page of kernel space and cause a
> few disk I/Os

FWIW the LED subsystem was designed to take advantage of kernel modules.
If you don't use a given trigger, it needn't be in memory, loaded or
even built at all. If something changed there which made that not
possible, that would be rather sad.

I agree with you that we shouldn't bump the kernel size unnecessarily
but I don't think triggers should do so. I actually think the kernel
could do with going on a diet and at least made so you can untangle more
of the pieces you don't want/need.

Cheers,

Richard

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