Re: [PATCH] Fix kunmap_atomic's use of kpte_clear_flush()

[Zachary Amsden]

Jeremy Fitzhardinge wrote:
> kunmap_atomic() will call kpte_clear_flush with vaddr/ptep arguments
> which don't correspond if the vaddr is just a normal lowmem address
> (ie, not in the KMAP area).  This patch makes sure that the pte is
> only cleared if kmap area was actually used for the mapping.
>
> Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
> Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> Cc: Zachary Amsden <zach@xxxxxxxxxx>

Ack.
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