On 26/01/16 20:37, Dan Williams wrote:
> pfn_t_to_page() honors the flags in the pfn_t value to determine if a
> pfn is backed by a page. However, vm_insert_mixed() was originally
> written to use pfn_valid() to make this determination. To restore the
> old/correct behavior, ignore the pfn_t flags in the !pfn_t_devmap() case
> and fallback to trusting pfn_valid().
>
> Fixes: 01c8f1c44b83 ("mm, dax, gpu: convert vm_insert_mixed to pfn_t")
Thanks, this fixes the crash with omapdrm.
Tested-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Tomi
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