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SubjectRe: 2.6.19-rc1-mm1
On Tue, 10 Oct 2006 09:20:00 +0200
Arjan van de Ven <> wrote:

> On Tue, 2006-10-10 at 00:09 -0700, Andrew Morton wrote:
> > +htlb-forget-rss-with-pt-sharing.patch

Which I didn't write. cc's added.

> if it's ok to ignore RSS,

We'd prefer not to. But what's the alternative?

> can we consider the shared pagetables for
> normal pages patch?

Has been repeatedly considered, but Hugh keeps finding bugs in it.

> It saves quite a bit of memory on even desktop
> workloads as well as avoiding several (soft) pagefaults.
> So.. what does RSS actually mean? Can we ignore it somewhat for
> shared-readonly mappings ?

We'd prefer to go the other way, and implement RLIMIT_RSS wouldn't we?
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