On Wed, Feb 21, 2018 at 02:51:19PM +0100, Jonathan Neuschäfer wrote:
[...]
> While looking through arch/powerpc/mm, I noticed that there's a
> page_is_ram function, which simply uses the memblocks directly, on
> PPC32.
Oops, I misread the code here. memblock is used on PPC64.
> It seems like a
Hello Christophe,
On Tue, Feb 20, 2018 at 06:45:09PM +0100, christophe leroy wrote:
[...]
> > - if (slab_is_available() && (p < virt_to_phys(high_memory)) &&
> > + if (slab_is_available() && pfn_valid(__phys_to_pfn(p)) &&
>
> I'm not sure this is equivalent:
>
> high_memory = (void *)
Le 20/02/2018 à 17:14, Jonathan Neuschäfer a écrit :
The Nintendo Wii has a memory layout that places two chunks of RAM at
non-adjacent addresses, and MMIO between them. Currently, the allocation
of these MMIO areas is made possible by declaring the MMIO hole as
reserved memory and allowing
The Nintendo Wii has a memory layout that places two chunks of RAM at
non-adjacent addresses, and MMIO between them. Currently, the allocation
of these MMIO areas is made possible by declaring the MMIO hole as
reserved memory and allowing reserved memory to be allocated (cf.
wii_memory_fixups).
