Re: Strange dcache memory pressure when highmem enabled

[Neil Brown]

On Tuesday October 14, bos@xxxxxxxxxxxxxx wrote:
> On Tue, 2003-10-14 at 21:33, Neil Brown wrote:
> 
> >  I have a fairly busy NFS server which has been having performance
> >  problems lately.  I have managed to work around the problems, but
> >  would really like to get the root problem fixed.
> 
> Funny, I have seen exactly the same problem, though with a Red Hat
> 2.4.20 kernel, rather than a vanilla-ish 2.4.
> 
> I have a few thousand more entries in my dentry cache on a 2G machine,
> but it's still a pitiful number.
> 
> What workarounds did you find?

 I just boot with "mem=900M" and effectively removed the highmem.
 It's not ideal, but it is the best I have found.

NeilBrown
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