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xen-ia64-devel
RE: [Xen-ia64-devel] [PATCH] Return ENOMEM if VPD allocation failed
>If we would like to support many domains and many vcpus,
>I think that we should expand xenheap.
>I think that the simplest method is changing PS of ITR[0]
>and DTR[0] to 256M byte. Do you have good ideas?
>
Agree, we should expand xenheap if we want to support more domain/vcpu.
Anthony
>-----Original Message-----
>From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Masaki Kanno
>Sent: 2007年5月10日 20:01
>To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-ia64-devel] [PATCH] Return ENOMEM if VPD allocation failed
>
>Hi,
>
>Usually ASSRET() is "(void)0". Therefore if VPD allocation
>fails with xenheap shortage or fragmentation, NULL pointer
>access occurs in vmx_final_setup_guest().
>This patch fixes it.
>
>
>BTW, I succeeded to creating 60 UP-domains. But I failed to
>creating many SMP-domains with xenheap shortage. I failed
>in the following environments.
> - 55 domains, and
> - each 5 vcpus
>
>If we would like to support many domains and many vcpus,
>I think that we should expand xenheap.
>I think that the simplest method is changing PS of ITR[0]
>and DTR[0] to 256M byte. Do you have good ideas?
>
>
>Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
>
>Best regards,
> Kan
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