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Erich Focht wrote: > > Andrew, Bill, > > I had to learn from Michael Hohnbaum that you've eliminated the per > CPU time statistics in 2.5.50 (akpm changeset from Nov. 26). Reading > the cset comments I understood that the motivation was to save > 8*NR_CPUS bytes of memory in the task_struct. Maybe that was really an > issue at the time when Bill suggested the patch (July), but in the > mean time we got configurable NR_CPUS (October) and that small amount > of additional memory really doesn't matter. Most people running SMP > have 2 CPUs. It's mainly the big ia32 boxes which a) have a lot of CPUs and b) have a lot of memory and c) run a lot of tasks. They're gasping for normal-zone memory. I'm half-inclined to just revert the whole thing and put the stats back, rather than adding yet another obscure config option. But your patch is certainly very tidy... - 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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