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RE: [Xen-users] default dom0 memory size is very large

  • To: "Krysan, Susan" <KRYSANS@xxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "You, Yongkang" <yongkang.you@xxxxxxxxx>
  • Date: Thu, 9 Mar 2006 09:22:01 +0800
  • Delivery-date: Thu, 09 Mar 2006 01:23:04 +0000
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcZC+4zqG1VifP77RpqntK7Ajau28AAAastgAAaTMbA=
  • Thread-topic: [Xen-users] default dom0 memory size is very large

Hi Susan,

Did you provide dom0_mem config to xen kernel? If not given, xen0 will eat 
almost all the memory.

I often set:
kernel /boot/xen.gz dom0_mem=262144

Best Regards,
Yongkang (Kangkang) 永康

>-----Original Message-----
>From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Krysan, Susan
>Sent: 2006年3月9日 6:14
>To: xen-users@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-users] default dom0 memory size is very large
>> I am running xen (changeset 9029 on SLES10 beta 6) on x86_64 with 8 procs
>and 8 GB memory.  When the system boots, xm list and xentop show that dom0
>is given almost all of the 8 GB of memory, leaving only 136 MB free.
>> Has anyone else encountered this?  Shouldn't the default memory size be
>small to allow the creation of multiple domU's?
>> Thanks,
>> Sue Krysan
>> Linux Systems Group
>> Unisys Corporation
>> (610)   648-2494
>> (Net)   385-2494
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