Messages in this thread | | | From | Cort Dougan <> | Date | Wed, 10 Jul 2002 22:46:40 -0600 | Subject | Re: Rusty's module talk at the Kernel Summit |
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I checked out the sparc64 PTE structure. It's not a bozo-design which I thought it was (like some PPC's). If you can select powers of 2 sizes my concern is meaningless there since you can pick the appropriate granularity.
A genuine Bershad-esque superpages design would be perfect there.
} Large PTE's aren't free either, though. Cheap enough to implement but } there's some fragmentation that isn't easy to deal with in some } pathological cases. The virtual space is pretty tight on some archs } already. } } A lot of stock distributions load most drivers as modules so a machine well } stocked with devices may run into trouble. } } } Modules can be mapped using a large PTE mapping. } } I've been meaning to do this on sparc64 for a long } } time. } } } } So this TLB argument alone is not sufficient :-) } } I do concur on the "ipv4 as module is difficult to } } get correct" argument however. } } - } } To unsubscribe from this list: send the line "unsubscribe linux-kernel" in } } the body of a message to majordomo@vger.kernel.org } } More majordomo info at http://vger.kernel.org/majordomo-info.html } } Please read the FAQ at http://www.tux.org/lkml/ } - } To unsubscribe from this list: send the line "unsubscribe linux-kernel" in } the body of a message to majordomo@vger.kernel.org } More majordomo info at http://vger.kernel.org/majordomo-info.html } Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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