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Re: [Xen-devel] Re: [Xen-users] Xen 4 - Page Sharing HowTo?
| To: | Pasi Kärkkäinen <pasik@xxxxxx>, Andrew Lyon <andrew.lyon@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [Xen-users] Xen 4 - Page Sharing HowTo? |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Fri, 09 Apr 2010 15:36:20 +0100 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, XEN Mailing List <xen-users@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 09 Apr 2010 07:39:03 -0700 |
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| Thread-topic: | [Xen-devel] Re: [Xen-users] Xen 4 - Page Sharing HowTo? |
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On 09/04/2010 15:09, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:
>>> void mem_sharing_init(void)
>>> {
>>> printk("Initing memory sharing.\n");
>>>
>>>
>>> But I've not seen that at all on my 4.x system.
Should be unconditionally printed during Xen boot. Not when memory sharing
is first used.
>> Also the 4.0 release announcement mentioned page to disk, but again I
>> can find no reference to that... has anybody tested these new
>> features?
I think you run the xenpaging daemon manually on each domain you want to
have paged to disc. The daemon is probably under /usr/sbin/xenpaging. It
takes two arguments: domain-id and memory allocated to the domain, in 4kB
pages (e.g., memory in MB, multiplied by 256).
-- Keir
> Hopefully someone from xen-devel can help us with this feature..
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