> -----Original Message----- > From: Andrew Morton [mailto:akpm@xxxxxxxxxxxxxxxxxxxx] > Sent: Tuesday, October 09, 2012 9:17 PM > To: KY Srinivasan > Cc: Greg KH; olaf@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; andi@xxxxxxxxxxxxxx; > apw@xxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH 1/2] mm: Export vm_committed_as > > On Wed, 10 Oct 2012 00:11:28 +0000 KY Srinivasan <kys@xxxxxxxxxxxxx> wrote: > > > > > > > > -----Original Message----- > > > From: Andrew Morton [mailto:akpm@xxxxxxxxxxxxxxxxxxxx] > > > Sent: Tuesday, October 09, 2012 3:48 PM > > > To: Greg KH > > > Cc: KY Srinivasan; olaf@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > > > andi@xxxxxxxxxxxxxx; apw@xxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx > > > Subject: Re: [PATCH 1/2] mm: Export vm_committed_as > > > > > > On Mon, 8 Oct 2012 06:35:39 -0700 > > > Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > > > > On Mon, Oct 08, 2012 at 03:35:50AM +0000, KY Srinivasan wrote: > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > From: Greg KH [mailto:gregkh@xxxxxxxxxxxxxxxxxxx] > > > > > > Sent: Sunday, October 07, 2012 8:44 PM > > > > > > To: KY Srinivasan > > > > > > Cc: linux-kernel@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx; > > > olaf@xxxxxxxxx; > > > > > > apw@xxxxxxxxxxxxx; akpm@xxxxxxxxxxxxxxxxxxxx; andi@xxxxxxxxxxxxxx > > > > > > 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. > > > > > > Well I guess it won't kill us. > > > > > > Thanks. > > > > The other part of my email seems to have vanished. Which makes me sad, > because I was rather interested in the answer. Andrew, I am truly sorry for not answering your question. To be honest, I was not quite sure what the issue was, given from what I can tell, the vm_committed_as is maintained globally and would represent the overall memory commitment of the system. Is this not the case. Regards, K. Y _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
