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

[Johannes Berg]

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