Re: [Xen-devel] [PATCH] xen/page_alloc: Keep away MFN 0 from the buddy allocator

[Stewart Hildebrand <Stewart.Hildebrand@xxxxxxxxxxxxxxx>]

On Friday, August 9, 2019 2:24 PM, Stefano Stabellini <sstabellini@xxxxxxxxxx>
>On Fri, 9 Aug 2019, Stewart Hildebrand wrote:
>> Here is Jeff's initial patch for the issue.
>
>I committed Julien's patch for now,

Great! Thanks!

>but if we need to make any changes
>or decide for a better alternative, we can always revert it.

Can we entertain committing both patches?
To paraphrase George from an earlier discussion: Removing MFN 0 fixes the issue 
by relying on side effects. Adding an explicit check in the merging logic 
directly fixes the issue.

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