Re: [PATCH] VMware Balloon driver

[Avi Kivity]

On 04/06/2010 02:34 AM, Andrew Morton wrote:
> On Mon, 05 Apr 2010 16:28:38 -0700
> Jeremy Fitzhardinge<jeremy@xxxxxxxx>  wrote:
>
>    
> > And is there some way to get the vm subsystem to provide backpressure:
> > "I'm getting desperately short of memory!"?
> >      
> Not really.  One could presumably pull dopey tricks by hooking into
> slab shrinker registration or even ->writepage().  But cooking up
> something explicit doesn't sound too hard - the trickiest bit would be
> actually defining what it should do.
>    

The oft-suggested approach is to look at the I/O load from guests and 
give more memory to those that are thrashing.  Of course not all I/O is 
directly due to memory pressure.

--
error compiling committee.c: too many arguments to function

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