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On 30 Mar 2004, Jens Axboe wrote: | On Tue, Mar 30 2004, Marc Bevand wrote: | [...] | > As other people were complaining that the 32MB max request size might be too | > high, I did give a try to 1MB (by replacing "65534" by "2046" in the patch). | > There is no visible differences between 32MB and 1MB. | | As suspected. BTW, you want to use 2048 there, not 2046. The 64K-2 | (which could be 64K-1) is just due to ->max_sectors being an unsigned | short currently. Okay, I thought the 2 sectors were used to store some extra informations. I also forgot to mention that there does not seem to have any *latency* differences between 32MB and 1MB. Strange... -- Marc Bevand http://www.epita.fr/~bevand_m Computer Science School EPITA - System, Network and Security Dept. - 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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