Re: ARM: static kernel in vmalloc space

[afzal mohammed]

Hi,

On Thu, May 14, 2020 at 05:32:41PM +0200, Arnd Bergmann wrote:

> Typical distros currently offer two kernels, with and without LPAE,
> and they probably don't want to add a third one for LPAE with
> either highmem or vmsplit-4g-4g. Having extra user address
> space and more lowmem is both going to help users that
> still have 8GB configurations.

Okay, so the conclusion i take is,

1. VMSPLIT 4G/4G have to live alongside highmem
2. For user space copy, do pinning followed by kmap

Regards
afzal