Messages in this thread | | | Date | Wed, 30 Jul 2003 21:28:32 +0200 | From | aradorlinux@yahoo ... | Subject | Re: [PATCH] O10int for interactivity |
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[changing email address; several hosts block mail from *@teleline/terra.es; which is good if they're fighting against spam] El Wed, 30 Jul 2003 11:36:06 +1000 Con Kolivas <kernel@kolivas.org> escribió:
> The logic is in the difference between the dynamic and the static priority to > determine if a task is interactive. > current->static_prio - current->prio > will give you a number of -5 to +5, with +5 being a good bonus and vice versa. > however you need to ensure that the value you are fiddling with in the i/o > scheduler is actually due to the current process[1]
I think current really is the process submitting the request; at least in the same function we've this:
if (rq_data_dir(arq->request) == READ || current->flags&PF_SYNCWRITE)
Which would be wrong if current isn't the process submitting the request.
Diego Calleja - 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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