[PATCH v2 01/12] mm/memblock: add MEMBLOCK_NOMAP attribute to memblock memory table

On 16 nov. 2015, at 20:49, Russell King - ARM Linux [off-list ref] wrote:

quoted

On Mon, Nov 16, 2015 at 08:09:38PM +0100, Ard Biesheuvel wrote:
The main difference is that memblock_is_memory() still returns true
for the region. This is useful in some cases, e.g., to decide which
attributes to use when mapping.

Ok, so we'd need to switch to using memblock_is_map_memory() instead
for pfn_valid() then.

Indeed, as is implemented by 10/12

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