Re: Google's mm problems

[Daniel Phillips]

On November 3, 2001 09:56 pm, Christian Ehrhardt wrote:
> On Wed, Oct 31, 2001 at 12:07:17AM +0100, Daniel Phillips wrote:
> > Hi, I've been taking a look on a mm problem that Ben Smith of Google posted 
> > a couple of weeks ago.  As it stands, Google can't use 2.4 yet because all
> > known flavors of 2.4 mm fall down in one way or another.  This is not good.
> 
> Andrea suggested that this might be a mlock bug and someone else
> pointed out that madvise instead of mlock exhibits similar behaviour.
> So I looked at this code and this patch looks obviously correct:

I'm pretty sure at this point that it's just poor balancing between zones.  To
test this, Ben tried it highmem config'ed off and ran without problems (2/2G
user/kernel split).

--
Daniel