On 03/04/15 07:42, Bob Liu wrote:
> Commit c43cf3ea8385 ("xen-blkback: safely unmap grants in case they are still
> in use") use gnttab_unmap_refs_async() to wait until the mapped pages are no
> longer in use before unmapping them, but that commit missed the persistent
> case.
> Purge persistent pages can't be unmapped either unless no longer in use.
Applied (this and 2/2) to for-linus-4.1b, thanks.
David
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