On 23.03.21 12:08, Andy Shevchenko wrote:
On Mon, Mar 22, 2021 at 05:01:59PM +0100, David Hildenbrand wrote:
It used to be true that we can have system RAM only on the first level
in the resourc tree. However, this is no longer holds for driver-managed
system RAM (i.e., dax/kmem and virtio-mem).
On Mon, Mar 22, 2021 at 05:01:59PM +0100, David Hildenbrand wrote:
> It used to be true that we can have system RAM only on the first level
> in the resourc tree. However, this is no longer holds for driver-managed
> system RAM (i.e., dax/kmem and virtio-mem).
>
> The function walk_mem_res() only
On Mon, Mar 22, 2021 at 9:02 AM David Hildenbrand wrote:
>
> It used to be true that we can have system RAM only on the first level
> in the resourc tree. However, this is no longer holds for driver-managed
> system RAM (i.e., dax/kmem and virtio-mem).
>
> The function walk_mem_res() only consider
It used to be true that we can have system RAM only on the first level
in the resourc tree. However, this is no longer holds for driver-managed
system RAM (i.e., dax/kmem and virtio-mem).
The function walk_mem_res() only consideres the first level and is
used in arch/x86/mm/ioremap.c:__ioremap_che
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