Re: [PATCH v9 02/10] of: reserved_mem: Introduce "ll-map" property

[Rob Herring]

On Wed, Sep 02, 2026 at 11:47:04AM +0100, Vincent Donnefort wrote:
> Keeping last-level mappings is interesting on some architectures as it
> allows mapping/unmapping pages from the kernel direct map without the
> risk of splitting blocks which, under the break-before-make rule, may
> trigger page-faults the kernel can't handle.
> 
> Add an "ll-map" property for reserved-memory regions. When set, it
> splits the underlying memblock and sets the MEMBLOCK_LLMAP flag.

Where is this documented? Any DT property must have a schema.

Though I'm not thrilled about more flag properties. Handling all the 
combinations of properties has proven to be painful. Can this be implied 
from the compatible string instead?

Rob