[PATCH] lmb: Reinstate access to memory above ram_top

Marek Vasut marek.vasut at mailbox.org
Sat May 30 16:47:16 CEST 2026


On 5/30/26 4:34 PM, Marek Vasut wrote:

[...]

> We could probably even make that generic enough and gate it behind some 
> Kconfig option to let users select whether their memory above 4 GiB is 
> broken or not. For SH it is not broken, for RPi it is, so we would have 
> to work out some default value of that Kconfig option.
> 
> What do you think ?

Implementation is at:

[PATCH] [RFC] lmb: Optionally limit available memory to 4 GiB on limited 
systems


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