Re: [2.6 patch] i386: always use 4k stacks

From: Benjamin LaHaise
Date: Wed Nov 16 2005 - 14:05:46 EST


On Wed, Nov 16, 2005 at 07:45:08PM +0100, Adrian Bunk wrote:
> The problem is similar no matter whether you have 4k or 8k stacks, but
> with 4k stacks you have the additional benefits of order 0 allocations
> and less memory usage.

We could implement a stack guard page for the transition period, so that
any stack overflows would end up generating a fault. That's easy enough
to do by using vmalloc().

-ben
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