Messages in this thread | | | Date | Tue, 11 May 2004 00:43:28 +1000 | From | Nick Piggin <> | Subject | Re: Cache queue_congestion_on/off_threshold |
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Jens Axboe wrote: > On Fri, May 07 2004, Chen, Kenneth W wrote: > >>>>>>Jens Axboe wrote on Friday, May 07, 2004 2:39 AM >>> >>>On Thu, May 06 2004, Chen, Kenneth W wrote: >>> >>>>(3) can we allocate request structure up front in __make_request? >>>> For I/O that cannot be merged, the elevator code executes twice >>>> in __make_request. >>>> >>> >>>Actually, with the good working batching we might get away with killing >>>freereq completely. Have you tested that (if not, could you?) >> >>Sorry, I'm clueless on "good working batching". If you could please give >>me some pointers, I will definitely test it. > > > Something like this. >
While we're doing that can we drop the GFP_ATOMIC allocation completely? - 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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