Re: [TECH TOPIC] Reaching consensus on CONFIG_HIGHMEM phaseout
From: Jason Gunthorpe <jgg@nvidia.com>
Date: 2025-09-19 14:34:50
Also in:
imx, linux-arm-kernel, linux-mips, linux-mm, lkml
On Fri, Sep 19, 2025 at 04:22:20PM +0200, Arnd Bergmann wrote:
SAM9X7 in 2023 added DDR3 mode with up to 256MB according to the datasheet, no idea why they chose not to support more,
Quite possible the internal SOC wiring only has 28 address lines. :) I am right it sounds like we can drop vivt cache support with highmem? vivt is alot easier to understand if kmap isn't running around creating virtual addresses aliases! Jason