[Ksummit-2013-discuss] [ATTEND] [ARM ATTEND] kernel data bloat and how to avoid it

Tony Lindgren tony at atomide.com
Fri Aug 2 03:55:15 EDT 2013

* Jason Cooper <jason at lakedaemon.net> [130731 07:00]:
> On Wed, Jul 31, 2013 at 05:33:51AM -0700, Greg KH wrote:
> > On Wed, Jul 31, 2013 at 12:38:03AM -0700, Tony Lindgren wrote:
> > > Hi all,
> > > 
> > > Probably the biggest kernel data bloat issue is in the ARM land, but
> > > it also seems that it's becoming a Linux generic issue too, so I
> > > guess it could be discussed in either context.
> > 
> > Why is it specific to ARM?  What is so unique to ARM that causes it to
> > "bloat"?
> > 
> > And what exactly do you mean by "bloat"?
> Perhaps he's referring to the multiplatform effort?  You'd get a lot of
> board code that wouldn't be used at each boot.  This should be declining
> though...

Yes that too, device tree and ACPI help there a great deal as we don't
need to build in board specific data for each supported board, but
instead have just one copy of the board specific data come from the



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