Re: 2.5.59-mm1

From: Bill Davidsen (
Date: Tue Jan 21 2003 - 09:03:52 EST

On Fri, 17 Jan 2003, Andrew Morton wrote:


> -rcf.patch
> run-child-first didn't seem to help anything, and an alarming number of
> cleanups and fixes were needed to get it working right. Later.

I don't know about right, it seems to make threaded applications
originally developed on BSD work better (much lower context switching).
Anyone know if BSD does rcf? This may be an artifact of...

> +ext3-scheduling-storm.patch
> Fix the bug wherein ext3 sometimes shows blips of 100k context
> switches/sec.

Is this a 2.5 bug only? Does this need to be back ported to 2.4? Perhaps
this is why I have ctx rate problems and some other sites don't with a
certain application. Very commercial, unfortunately.

bill davidsen <>
  CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.

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