But that's a bit weird: we call __init_single_page()->init_page_count() to
initialize it to 1, to then set it back to 0.
Maybe we can just pass to __init_single_page() the refcount we want to have
directly? Can be a patch on top of course.
Once the dust settles on this series we won't nee
On Tue, Dec 17, 2024 at 11:14:42PM +0100, David Hildenbrand wrote:
> On 17.12.24 06:12, Alistair Popple wrote:
> > Currently ZONE_DEVICE page reference counts are initialised by core
> > memory management code in __init_zone_device_page() as part of the
> > memremap() call which driver modules make
On 17.12.24 06:12, Alistair Popple wrote:
Currently ZONE_DEVICE page reference counts are initialised by core
memory management code in __init_zone_device_page() as part of the
memremap() call which driver modules make to obtain ZONE_DEVICE
pages. This initialises page refcounts to 1 before retur
Currently ZONE_DEVICE page reference counts are initialised by core
memory management code in __init_zone_device_page() as part of the
memremap() call which driver modules make to obtain ZONE_DEVICE
pages. This initialises page refcounts to 1 before returning them to
the driver.
This was presumabl
