WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] 32bit-pv-VM 128G memory limited

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] 32bit-pv-VM 128G memory limited
From: "James (song wei)" <jsong@xxxxxxxxxx>
Date: Mon, 2 Nov 2009 22:14:03 -0800 (PST)
Delivery-date: Mon, 02 Nov 2009 22:14:31 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C71440DE.18ED0%keir.fraser@xxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <4AEF29A30200002000070459@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <C71440DE.18ED0%keir.fraser@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Keir 
 could you please say it in more detail? 

Thanks,
James 

Keir Fraser-3 wrote:
> 
> This should all already happen by default.
> 
>  -- Keir
> 
> On 02/11/2009 07:49, "James Song" <jsong@xxxxxxxxxx> wrote:
> 
>> Hi, 
>>  
>>  
>>     Since 32-bit pv-domUs require memory below the 128G boundary (IIRC)
>> but
>> tools don't enforce this.  So we need a "memory pool" for 32bit pv-domUs.
>> When starting a 32-bit domU, allocate memory from this pool.  If starting
>> a
>> 64-bit domUs or 32bit hvm dom (which don't suffer the 128G boundary
>> limitation), allocate memory from above the boundary first, only
>> allocating
>> from the lower pool when needed.
>>  
>> Thanks,
>> James (Song Wei)
>>  
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
> 
> 

-- 
View this message in context: 
http://old.nabble.com/32bit-pv-VM-128G-memory-limited-tp26159377p26159985.html
Sent from the Xen - Dev mailing list archive at Nabble.com.


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