[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] limitation in the process address space size,


  • To: Lamia Youseff <lyouseff@xxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Wed, 12 Sep 2007 09:59:52 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 12 Sep 2007 02:00:26 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acf1G0e/hgoDRGEOEdyjvgAX8io7RQ==
  • Thread-topic: [Xen-devel] limitation in the process address space size,

Well then. You swap in the dom0 256MB case because dom0 has insufficient
memory to efficiently support the heap size of your test application. Give
dom0 2GB and you'll see that it doesn't swap either.

 -- Keir

On 12/9/07 09:57, "Lamia Youseff" <lyouseff@xxxxxxxxxxx> wrote:

> The native kernel gets 2GB.
> 
> Keir Fraser wrote:
>> 
>> On 12/9/07 09:34, "Lamia Youseff" <lyouseff@xxxxxxxxxxx> wrote:
>> 
>>   
>>> This was not definitely the same
>>> behavior I get from the native kernel on the same machine (I get no
>>> performance degradation).
>>>     
>> 
>> How much memory do you give the native kernel?
>> 
>>  -- Keir
>> 
>>   



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.