Re: 2.6.19-rc1-mm1

On Tue, 10 Oct 2006 09:20:00 +0200
Arjan van de Ven <arjan@xxxxxxxxxxxxx> 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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