Messages in this thread | | | Subject | Re: [RFC] 4KB stack + irq stack for x86 | From | "Ulrich Weigand" <> | Date | Thu, 6 Jun 2002 22:55:12 +0200 |
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David Mosberger wrote:
>Just a minor nit: for ia64 it's either 32KB (for page sizes up to >16KB) or 64KB (for 64KB page size). The 32KB is conservative and >based on the assumption that there can be up to 16 nested interrupts >plus some other nested traps (such as unaligned faults). A separate >irq stack should let us reduce the per-task stack size.
So in the case of 8K page size, you need an order-2 allocation for the stack, right? How do you handle failures due to fragmentation?
Mit freundlichen Gruessen / Best Regards
Ulrich Weigand
-- Dr. Ulrich Weigand Linux for S/390 Design & Development IBM Deutschland Entwicklung GmbH, Schoenaicher Str. 220, 71032 Boeblingen Phone: +49-7031/16-3727 --- Email: Ulrich.Weigand@de.ibm.com
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