> On Thu, 17 Jul 2008 16:14:29 +1000
> Nick Piggin <nickpiggin@yahoo.com.au> wrote:
>
>>> It might encourage user space applications to start using
>>> FADV_SEQUENTIAL or FADV_NOREUSE more often (as it would become
>>> worthwhile to do so), and if they do (especially cron jobs), the problem
>>> of the slow desktop in the morning would progressively solve itself.
>> The slow desktop in the morning should not happen even without such a
>> call, because the kernel should not throw out frequently used data (even
>> if it is not quite so recent) in favour of streaming data.
>>
>> OK, I figure it doesn't do such a good job now, which is sad,
>
> Do you have any tests in mind that we could use to decide
> whether the patch I posted Tuesday would do a decent job
> at protecting frequently used data from streaming data?
>
>
http://lkml.org/lkml/2008/7/15/465
>
