From: Pavel Machek <pavel@Elf.mj.gts.cz>
To: H.H.vanRiel@fys.ruu.nl
Cc: linux-mm@kvack.org
Subject: Re: pageable page tables
Date: Thu, 18 Dec 1997 14:33:57 +0100 [thread overview]
Message-ID: <19971218143357.10435@Elf.mj.gts.cz> (raw)
In-Reply-To: <Pine.LNX.3.91.971218000000.887A-100000@mirkwood.dummy.home>; from Rik van Riel on Thu, Dec 18, 1997 at 12:02:43AM +0100
Hi!
> > No, it would not fail, as no single process eats 5 minutes. And even
> > with SCHED_BG you would load rest of the system: you would load disk
> > subsystem. Often, disk subsystem is more important than CPU.
>
> This is exactly the place where SCHED_BG works. By
> suspending all but one of the jobs, a heavy multi-user
> machine only has to worry about the interactive jobs,
> and the disk I/O of _one_ SCHED_BG job...
Disk I/O of one job is just enough to make machine pretty annoying for
interactive use. Try make dep on background. (And: I assume that
usualy there will be <=1 SCHED_BG job.)
Pavel
--
I'm really pavel@atrey.karlin.mff.cuni.cz. Pavel
Look at http://atrey.karlin.mff.cuni.cz/~pavel/ ;-).
next prev parent reply other threads:[~1997-12-18 14:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <19971210161108.02428@Elf.mj.gts.cz>
1997-12-12 6:57 ` Rik van Riel
1997-12-17 21:14 ` Pavel Machek
[not found] ` <Pine.LNX.3.91.971218000000.887A-100000@mirkwood.dummy.home>
1997-12-18 13:33 ` Pavel Machek [this message]
1997-12-18 14:46 ` SCHED_BG Rik van Riel
1997-12-18 6:01 pageable page tables Benjamin LaHaise
[not found] <19971209122346.02899@Elf.mj.gts.cz>
1997-12-09 14:37 ` Rik van Riel
1997-12-09 14:41 ` Rik van Riel
[not found] <Pine.LNX.3.95.971126091603.8295A-100000@gwyn.tux.org>
1997-11-27 13:07 ` Rik van Riel
1997-11-27 18:23 ` Alan Cox
1997-11-27 18:56 ` Chris Evans
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