On Mon, Aug 19, 2013 at 10:04 AM, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: > This patch adds device tree support for contiguous and reserved memory > regions defined in device tree. > > Large memory blocks can be reliably reserved only during early boot. > This must happen before the whole memory management subsystem is > initialized, because we need to ensure that the given contiguous blocks > are not yet allocated by kernel. Also it must happen before kernel > mappings for the whole low memory are created, to ensure that there will > be no mappings (for reserved blocks) or mapping with special properties > can be created (for CMA blocks). This all happens before device tree > structures are unflattened, so we need to get reserved memory layout > directly from fdt. > > Later, those reserved memory regions are assigned to devices on each > device structure initialization. > > Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> > Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> > Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx> > Acked-by: Tomasz Figa <t.figa@xxxxxxxxxxx> Reviewed-by: Rob Herring <rob.herring@xxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
