TTM owns the pages it uses for backing buffer objects with system
memory. Because of this it is absolutely illegal to mess around with
the reference count of those pages.
So make sure that nobody ever tries to grab an extra reference on
pages allocated through the page pool.
v2: handle DMA pages
Am 18.08.22 um 00:20 schrieb Dmitry Osipenko:
On 8/15/22 16:08, Christian König wrote:
TTM owns the pages it uses for backing buffer objects with system
memory. Because of this it is absolutely illegal to mess around with
the reference count of those pages.
So make sure that nobody ever tries
On 8/15/22 16:08, Christian König wrote:
> TTM owns the pages it uses for backing buffer objects with system
> memory. Because of this it is absolutely illegal to mess around with
> the reference count of those pages.
>
> So make sure that nobody ever tries to grab an extra reference on
> pages
TTM owns the pages it uses for backing buffer objects with system
memory. Because of this it is absolutely illegal to mess around with
the reference count of those pages.
So make sure that nobody ever tries to grab an extra reference on
pages allocated through the page pool.
Signed-off-by:
