lkml.org 
[lkml]   [2006]   [Feb]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [ck] [PATCH] mm: implement swap prefetching (v26)
On 2/17/06, Con Kolivas <kernel@kolivas.org> wrote:
> The discussion was about what size to make the swap prefetching. Since the
> size is not user tunable any more that is not the case. I had an offlist
> discussion with Bart Samwel about it and basically if your drive spins down
> at 5 seconds (which is what commonly happens with laptop mode) you will never
> have an opportunity to prefetch. This means swap prefetch will basically
> always spin up the drive nullifying laptop mode. On balance if you care about
> power more than anything to actually set laptop mode I suspect you wont want
> prefetch using any more power.

Ahh, that's certainly a valid point. Although, it could be said that
since the laptop mode script allows you to set a great number of thing
is a great number of ways to achieve your vision of low power mode,
the effectiveness may actually vary. But I don't comprehend your
definition of "idle" in the patch anyway, so I won't bother even
trying to discuss it. ;)

--
Kevin 'radsaq' Radloff
radsaq@gmail.com
http://thesaq.com/
-
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/

\
 
 \ /
  Last update: 2006-02-17 15:55    [W:0.046 / U:0.856 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site