Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [2.6 patch] i386: always use 4k stacks | Date | Wed, 16 Nov 2005 17:10:04 +0100 |
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On Wednesday 16 November 2005 16:38, Arjan van de Ven wrote: > On Wed, 2005-11-16 at 16:30 +0100, Oliver Neukum wrote: > > Am Mittwoch, 16. November 2005 15:42 schrieb jmerkey: > > > Map a blank ro page beneath the address range when stack memory is > > > mapped is trap on page faults to the page when folks go off the end of > > > th e stack. > > > > > > Easy to find. > > > > Provided you can easily trigger it. I don't see how that is a given. > > the same is true for a unified 8k stack or for the 4k/4k split though. > Ok sure there's a 1.5Kb difference on the one side.. (but a 2Kb gain on > the other side)
I was always in favour of 8K process stacks + irq stacks. Works great on x86-64.
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