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Date:   Sat, 16 May 2020 11:36:24 +0530
From:   afzal mohammed <>
To:     Arnd Bergmann <>
Cc:     Russell King <>,
        Linux ARM <>,
        "" <>
Subject: Re: ARM: static kernel in vmalloc space


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


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