Re: [PATCH v2 0/9] Remove DISCINTIGMEM memory model

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On Fri, Jun 4, 2021 at 8:49 AM Mike Rapoport <rppt@xxxxxxxxxx> wrote:
>
> From: Mike Rapoport <rppt@xxxxxxxxxxxxx>
>
> Hi,
>
> SPARSEMEM memory model was supposed to entirely replace DISCONTIGMEM a
> (long) while ago. The last architectures that used DISCONTIGMEM were
> updated to use other memory models in v5.11 and it is about the time to
> entirely remove DISCONTIGMEM from the kernel.
>
> This set removes DISCONTIGMEM from alpha, arc and m68k, simplifies memory
> model selection in mm/Kconfig and replaces usage of redundant
> CONFIG_NEED_MULTIPLE_NODES and CONFIG_FLAT_NODE_MEM_MAP with CONFIG_NUMA
> and CONFIG_FLATMEM respectively.
>
> I've also removed NUMA support on alpha that was BROKEN for more than 15
> years.
>
> There were also minor updates all over arch/ to remove mentions of
> DISCONTIGMEM in comments and #ifdefs.

Hi Mike and Andrew,

It looks like everyone is happy with this version so far. How should we merge it
for linux-next? I'm happy to take it through the asm-generic tree, but linux-mm
would fit at least as well. In case we go for linux-mm, feel free to add

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>

for the whole series.



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