Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: spindown [was Re: 2.4.6-pre2, pre3 VM Behavior] | Date | Sat, 16 Jun 2001 23:44:57 +0200 |
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On Saturday 16 June 2001 23:06, Rik van Riel wrote: > On Sat, 16 Jun 2001, Daniel Phillips wrote: > > As a side note, the good old multisecond delay before bdflush kicks in > > doesn't really make a lot of sense - when bandwidth is available the > > filesystem-initiated writeouts should happen right away. > > ... thus spinning up the disk ?
Nope, the disk is already spinning, some other writeouts just finished.
> How about just making sure we write out a bigger bunch > of dirty pages whenever one buffer gets too old ?
It's simpler than that. It's basically just: disk traffic low? good, write out all the dirty buffers. Not quite as crude as that, but nearly.
> Does the patch below do anything good for your laptop? ;)
I'll wait for the next one ;-)
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