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| Started by | David Vrabel <david.vrabel@citrix.com> |
|---|---|
| First post | 2015-08-28 12:50 +0200 |
| Last post | 2015-08-28 12:50 +0200 |
| Articles | 1 — 1 participant |
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Re: [Xen-devel] [PATCH] xen: avoid early crash of memory limited dom0 David Vrabel <david.vrabel@citrix.com> - 2015-08-28 12:50 +0200
| From | David Vrabel <david.vrabel@citrix.com> |
|---|---|
| Date | 2015-08-28 12:50 +0200 |
| Subject | Re: [Xen-devel] [PATCH] xen: avoid early crash of memory limited dom0 |
| Message-ID | <q2pol-PO-3@gated-at.bofh.it> |
On 19/08/15 17:52, Juergen Gross wrote:
> Commit b1c9f169047b ("xen: split counting of extra memory pages...")
> introduced an error when dom0 was started with limited memory.
>
> The problem arises in case dom0 is started with initial memory and
> maximum memory being the same and exactly a multiple of 1 GB. The
> kernel must be configured without CONFIG_XEN_BALLOON_MEMORY_HOTPLUG
> for the problem to happen. In this case it will crash very early
> during boot due to the virtual mapped p2m list not being large
> enough to be able to remap any memory:
Applied to for-linus-4.3, thanks.
David
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