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RE: [Xen-devel] [PATCH][Take 2] Sysfs Interface for balloon driver

To: "Satoshi Uchida" <s-uchida@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] [PATCH][Take 2] Sysfs Interface for balloon driver
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 26 Sep 2006 19:26:18 +0100
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Thread-topic: [Xen-devel] [PATCH][Take 2] Sysfs Interface for balloon driver
> > Does anyone actually use balloon_low and _high? At the very 
> least they 
> > should be renamed, possibly put under an info sub directory.
> > 
> Works the renaming.
> However, Does it needs to put under an info sub directory?
> Because both of current pages and high/low memory are 
> information and show states of memory.
> Perhaps, The parameter is only target pages.

target_pages (or rather target_KB) is the only thing you can adjust.
> > Something that would be good to export via sysfs is the 
> > maximum amount of memory the guest could have (for guests 
> > that can't expand their page array i.e. all current guests).
> What is this means?
> Should information export the limitaion handled within linux? 
> (i.e by mem option)
> or the limitation controlled at hypervisor (mem-max)?

I guess this is the total of the current memory and the memory in the
high and low balloons.


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