linux-kernel - RE: [PATCH 1/2] mm: Export vm_committed

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Date:	Mon, 8 Oct 2012 13:45:07 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	"olaf@...fle.de" <olaf@...fle.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"andi@...stfloor.org" <andi@...stfloor.org>,
	"apw@...onical.com" <apw@...onical.com>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: RE: [PATCH 1/2] mm: Export vm_committed_as



> -----Original Message-----
> From: Greg KH [mailto:gregkh@...uxfoundation.org]
> Sent: Monday, October 08, 2012 9:36 AM
> To: KY Srinivasan
> Cc: olaf@...fle.de; linux-kernel@...r.kernel.org; andi@...stfloor.org;
> apw@...onical.com; devel@...uxdriverproject.org; akpm@...ux-foundation.org
> Subject: Re: [PATCH 1/2] mm: Export vm_committed_as
> 
> On Mon, Oct 08, 2012 at 03:35:50AM +0000, KY Srinivasan wrote:
> >
> >
> > > -----Original Message-----
> > > From: Greg KH [mailto:gregkh@...uxfoundation.org]
> > > Sent: Sunday, October 07, 2012 8:44 PM
> > > To: KY Srinivasan
> > > Cc: linux-kernel@...r.kernel.org; devel@...uxdriverproject.org;
> olaf@...fle.de;
> > > apw@...onical.com; akpm@...ux-foundation.org; andi@...stfloor.org
> > > Subject: Re: [PATCH 1/2] mm: Export vm_committed_as
> > >
> > > On Sun, Oct 07, 2012 at 04:59:45PM -0700, K. Y. Srinivasan wrote:
> > > > The policy engine on the host expects the guest to report the
> > > > committed_as. Since this variable is not exported,
> > > > export this symbol.
> > >
> > > Why are these symbols not needed by either Xen or KVM or vmware, which
> > > I think all support the same thing, right?
> >
> > The basic balloon driver does not need this symbol since the basic balloon driver
> > is not automatically driven by the host. On the Windows host we have a policy
> engine that
> > drives the balloon driver based on both guest level memory pressure that the
> guest
> > reports as well as other system level metrics the host maintains. We need this
> symbol to
> > drive the policy engine on the host.
> 
> Ok, but you're going to have to get the -mm developers to agree that
> this is ok before I can accept it.

Andi Kleen suggested that I send the patch to Andrew Morton for acceptance.
That is why I have included both Andrew Morton and Andi Kleen in the email list
for these patches. Should I have sent that patch to a different email alias for
acceptance by the mm developers.

Regards,

K. Y 



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