On 01/03/18 02:37 PM, Dan Williams wrote:
Ah ok, I'd need to look at the details. I had been assuming that sparse-vmemmap could handle such a situation, but that could indeed be a broken assumption.
It handles it fine for many situations. But when you try to map something that is at the end of the physical address space then the spares-vmemmap needs virtual address space that's the size of the physical address space divided by PAGE_SIZE which may be a little bit too large...
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