lkml.org 
[lkml]   [2002]   [Sep]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Killing/balancing processes when overcommited
From
Date

On Mon, 2002-09-16 at 07:03, Rik van Riel wrote:
> On Mon, 16 Sep 2002, Helge Hafting wrote:
> > Rik van Riel wrote:
> >
> > > 1) memory is exhausted
> > > 2) the network driver can't allocate memory and
> > > spits out a message
> > > 3) syslogd and/or klogd get killed
> > >
> > > Clearly you want to be a bit smarter about which process to kill.
> >
> > Ill-implemented klogd/syslogd. Pre-allocating a little memory
> > is one way to go, or drop messages until allocation
> > becomes possible again. Then log a complaint about
> > messages missing due to a temporary OOM.
>
> No. This has absolutely nothing to do with it.
>
> In this case, "allocating memory" simply means that klogd/syslogd
> page faults on something it already allocated, say a piece of the
> executable or a swapped-out buffer.
>
> Simple page faults like this can also trigger an OOM-killing.
>

Not in what I had described. Unless the page fault was for a
new page (just malloc'ed) it wouldn't result in the killing of
the process.

Tim

> Rik
> --
> Bravely reimplemented by the knights who say "NIH".
>
> http://www.surriel.com/ http://distro.conectiva.com/
>
> Spamtraps of the month: september@surriel.com trac@trac.org
>
> -
> 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/
--
Timothy D. Witham - Lab Director - wookie@osdlab.org
Open Source Development Lab Inc - A non-profit corporation
15275 SW Koll Parkway - Suite H - Beaverton OR, 97006
(503)-626-2455 x11 (office) (503)-702-2871 (cell)
(503)-626-2436 (fax)

-
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: 2005-03-22 13:28    [W:0.094 / U:0.444 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site