Subject: [alpine-devel] Kernel parameter for Xen

From: Florian Heigl <[email-masked]>
Date: Thu, 22 Oct 2015 12:48:06 +0200

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

-- 
the purpose of libvirt is to provide an abstraction layer hiding all xen
features added since 2006 until they were finally understood and copied by
the kvm devs.

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From: Natanael Copa <[email-masked]>
Date: Thu, 22 Oct 2015 17:22:34 +0200

On Thu, 22 Oct 2015 12:48:06 +0200

> memory that is otherwise available. In my case it seems to be around 1GB ;)

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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