linux-kernel - Re: [PATCH] um: Remove 3-level page table support on i386

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Message-ID: <0a73298f1c0ed189046360ea867e6da32276381c.camel@sipsolutions.net>
Date: Thu, 19 Sep 2024 08:54:06 +0200
From: Johannes Berg <johannes@...solutions.net>
To: Tiwei Bie <tiwei.btw@...group.com>, richard@....at, 
	anton.ivanov@...bridgegreys.com
Cc: linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	benjamin@...solutions.net
Subject: Re: [PATCH] um: Remove 3-level page table support on i386

On Wed, 2024-09-18 at 14:17 +0800, Tiwei Bie wrote:
> The highmem support has been removed by commit a98a6d864d3b ("um:
> Remove broken highmem support"). The 2-level page table is sufficient
> on UML/i386 now. Remove the 3-level page table support on UML/i386
> which is still marked as experimental.
> 

No real objection, but with the 4-level page table work on 64-bit
pending as well (which likely conflicts), I wonder if we should just
remove 3-level *entirely*?

johannes