On 01/22/2016 01:12 AM, David Rientjes wrote:
NACK to your patch as it is just covering up buggy code silently. The problem needs to be addressed in change_memory_common() to return if there is no size to change (numpages == 0). It's a two line fix to that function.
So add a WARN_ON there to *warn* about the situations. There's really no need to BUG_ON here.
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