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

Mike Rapoport
2021-06-09T14:51:03Z

Hi Arnd,

On Wed, Jun 09, 2021 at 01:30:39PM +0200, Arnd Bergmann wrote:
> On Fri, Jun 4, 2021 at 8:49 AM Mike Rapoport <rppt@kernel.org> wrote:
> >
> > From: Mike Rapoport <rppt@linux.ibm.com>
> >
> > 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

Andrew already took to mmotm.

> Acked-by: Arnd Bergmann <arnd@arndb.de>

Thanks!

> for the whole series.

--
Sincerely yours,
Mike.