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SubjectRe: 2.4.28 -> ch..ch...changes....
On Wed, 24 Nov 2004, Marcelo Tosatti wrote:
> On Tue, Nov 23, 2004 at 09:36:36PM +0000, Nick Warne wrote:
> >
> > I updated three boxes today to 2.4.28 (from .27), one at work, and two here at
> > home (Redhat 7.1+, Slackware 10)
> >
> > I am intrigued terribly by the small footprint of memory usage now. I have
> > gone through the changes file, but can really see nothing (to me, a n00b)
> > that would alter that?
> >
> > Can anyone enlighten me?
>
> What do you mean by "memory usage"? SLAB (/proc/slabinfo) buffers
> or pagecache ?
>
> Whats your workload and what drivers are you using ?
>
> Nothing that I am aware of explains this.

_If_ it's a reduction in /proc/slabinfo's dentry_cache, and
_if_ these boxes do a lot of removing files from tmpfs,
then it would be the "tmpfs: stop negative dentries".

Hugh

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