Date: Thu, 22 Oct 2015 17:22:34 +0200
From: Natanael Copa <ncopa@alpinelinux.org>
To: Florian Heigl <florian.heigl@gmail.com>
Cc: Alpine Development <alpine-devel@lists.alpinelinux.org>
Subject: Re: [alpine-devel] Kernel parameter for Xen
Message-ID: <20151022172234.58f0d7fa@ncopa-laptop>
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On Thu, 22 Oct 2015 12:48:06 +0200
Florian Heigl <florian.heigl@gmail.com> wrote:

> Hi,
> 
> would it be possible to enable a kernel option for Xen?
> It's probably called XEN_BALLOON_MEMORY_HOTPLUG, looking at the config I
> see it is apparently not enabled.
> 
> # CONFIG_MEMORY_HOTPLUG is not set
> 
> It appears that with that setting not defined one loses a chunk of dom0
> memory that is otherwise available. In my case it seems to be around 1GB ;)
> 
> Florian
> 
> 

I suppose this is only needed for x86_64?

We need check if it works together with grsecurity and pax and what the
price for this option is. (slower? more memory consumption?)

-nc


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