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SubjectRe: Large stack usage in fs code (especially for PPC64)
On Tue, Nov 18, 2008 at 10:03:25AM +1100, Benjamin Herrenschmidt wrote:
> On Mon, 2008-11-17 at 15:34 -0500, Steven Rostedt wrote:
> > Note, I was using a default config that had CONFIG_IRQSTACKS off and
> > CONFIG_PPC_64K_PAGES on.
>
> For one, we definitely need to turn IRQSTACKS on by default ... In fact,
> I'm pondering just removing the option.

It shouldn't be a user-visible option. It shouldn't on x86 either, but
there it always gets into the ideological 4k stacks flameware so people
usually gave up after a while instead of doing the sensibke 8k +
irqstacks by default, 4k as an option..



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