On 8/25/21 19:49, Ralph Campbell wrote:
>
> On 8/25/21 4:15 AM, Vlastimil Babka wrote:
>> On 8/25/21 05:48, Alex Sierra wrote:
>>> From: Ralph Campbell
>>>
>>> ZONE_DEVICE struct pages have an extra reference count that complicates the
>>> code for put_page() and several places in the kernel that
On 8/25/21 4:15 AM, Vlastimil Babka wrote:
On 8/25/21 05:48, Alex Sierra wrote:
From: Ralph Campbell
ZONE_DEVICE struct pages have an extra reference count that complicates the
code for put_page() and several places in the kernel that need to check the
reference count to see that a page is n
Looks good,
Reviewed-by: Christoph Hellwig
On 8/25/21 05:48, Alex Sierra wrote:
> From: Ralph Campbell
>
> ZONE_DEVICE struct pages have an extra reference count that complicates the
> code for put_page() and several places in the kernel that need to check the
> reference count to see that a page is not being used (gup, compaction,
> migr
