On Mon, Mar 12, 2007 at 03:25:07PM +0530, Balbir Singh wrote:
> > doesn't look so good for me, mainly becaus of the
> > additional per page data and per page processing
> >
> > on 4GB memory, with 100 guests, 50% shared for each
> > guest, this basically means ~1mio pages, 500k shared
> > and 1500k x sizeof(page_container) entries, which
> > roughly boils down to ~25MB of wasted memory ...
> >
> > increase the amount of shared pages and it starts
> > getting worse, but maybe I'm missing something here
> >
> > > We need to decide whether we want to do per-container memory
> > > limitation via these data structures, or whether we do it via
> > > a physical scan of some software zone, possibly based on Mel's
> > > patches.
> >
> > why not do simple page accounting (as done currently
> > in Linux) and use that for the limits, without
> > keeping the reference from container to page?
> >
> > best,
> > Herbert
> >
>
> Herbert,
>
> You lost me in the cc list and I almost missed this part of the
> thread.
hmm, it is very unlikely that this would happen,
for several reasons ... and indeed, checking the
thread in my mailbox shows that akpm dropped you ...
--------------------------------------------------------------------
Subject: [RFC][PATCH 2/7] RSS controller core
From: Pavel Emelianov <xemul@xxxxx>
To: Andrew Morton <akpm@xxxxxxxx>, Paul Menage <menage@xxxxxxxxxx>,
Srivatsa Vaddagiri <vatsa@xxxxxxxxxx>,
Balbir Singh <balbir@xxxxxxxxxx>
Cc: containers@xxxxxxxxxxxxxx,
Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
Date: Tue, 06 Mar 2007 17:55:29 +0300
--------------------------------------------------------------------
Subject: Re: [RFC][PATCH 2/7] RSS controller core
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
To: Pavel Emelianov <xemul@xxxxx>
Cc: Kirill@xxxxxxxxxxxxx, Linux@xxxxxxxxxxxxx, containers@xxxxxxxxxxxxxx,
Paul Menage <menage@xxxxxxxxxx>,
List <linux-kernel@xxxxxxxxxxxxxxx>
Date: Tue, 6 Mar 2007 14:00:36 -0800
--------------------------------------------------------------------
that's the one I 'group' replied to ...
> Could you please not modify the "cc" list.
I never modify the cc unless explicitely asked
to do so. I wish others would have it that way
too :)
best,
Herbert
> Thanks,
> Balbir
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