[PATCH] lmb: Reinstate access to memory above ram_top

[Marek Vasut]

On 3/24/26 10:53 AM, Ilias Apalodimas wrote:

Hello Ilias,

>> That said, is there really a benefit in giving U-Boot more memory on
>> systems that typically have 2GB or more below the 4GB address
>> boundary?
> 
> The only benefit I can see is loading live images or linux distros
> that are pretty fat nowadays. It's worth noting that we can load live
> images and boot with the recent pmem changes we added a few months
> ago.

This is very close to the use case I have -- tftp/wget an image that is 
north of 2 GiB into DRAM above 4 GiB boundary and then write it into 
NVMe storage.