Partition linux page cache for each VM

Greg KH greg at
Fri Apr 26 02:23:52 EDT 2019

On Fri, Apr 26, 2019 at 03:01:52AM +0530, Chirag Chauhan wrote:
> On Thu, Apr 25, 2019 at 10:57 PM Greg KH <greg at> wrote:
> > On Thu, Apr 25, 2019 at 07:06:54PM +0530, Chirag Chauhan wrote:
> > > Hey,
> > >
> > > I need to modify pagecache such that each VM gets their own LRU list and
> > > eviction is done from that list.
> >
> > Odd, please step back, why have you determined that this is something
> > that you have to do?  Were you told to do this by someone?  Is this a
> > homework assignment?  What problems are you thinking that this might
> > help with?
> I have selected this as a course project for a course on virtualization.

Great!  Do we get credit for this as well?  Be sure to let your
professor know that random people on the internet contributed to your
grade :)

Good luck, you are on your own here, sorry.

> Doing this will reduce the performance interference between virtual
> machines.

I really doubt it will, but hey, that's what research is for!  :)

greg k-h

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