Re: [RFC} arm architecture board/feature deprecation timeline

From: Vincent Legoll
Date: Sun Sep 01 2024 - 12:34:29 EST


Hello Arnd,

On Mon, Aug 26, 2024 at 2:55 PM Arnd Bergmann <arnd@xxxxxxxx> wrote:
> What you see is certainly unrelated to me mentioning that we may remove
> highmem support from the kernel altogether in the future, but it's
> possible that OpenWRT turned it off because things work better
> without it.
>
> https://github.com/openwrt/openwrt/issues/13151 may explain
> what ios going on here.

Thanks a lot for that hint, indeed there is a solution, which does not rely
on `CONFIG_HIGHMEM=y`, linked from this issue.

Just setting `HIGHMEM_START` made space available for that 64MB
RAM chunk.

Thanks

--
Vincent Legoll