Re: [PATCH 0/2] mm/mm_init: don't overlap zones with kernelcore=mirror

From: Mike Rapoport

Date: Fri Jun 26 2026 - 04:11:55 EST


On Thu, Jun 25, 2026 at 10:39:38AM +0300, Mike Rapoport wrote:
> From: "Mike Rapoport (Microsoft)" <rppt@xxxxxxxxxx>
>
> Hi,
>
> These patches make the behaviour of kernelcore= parameter uniform and
> treat mirror just as another way to size the zones and cleanup a weird
> part of the memory map initialization.

I'm queueing it for now in the memblock tree, will properly push after
merge window is closed.

> Mike Rapoport (Microsoft) (2):
> mm/mm_init: don't overlap NORMAL and MOVABLE zones with kernelcore=mirror
> mm/mm_init: drop overlap_memmap_init()
>
> mm/mm_init.c | 60 +++-------------------------------------------------
> 1 file changed, 3 insertions(+), 57 deletions(-)
>
>
> base-commit: 4549871118cf616eecdd2d939f78e3b9e1dddc48
> --
> 2.53.0
>

--
Sincerely yours,
Mike.