Re: [PATCH v2 4/4] mm, arch: add generic implementation of pfn_valid() for FLATMEM

From: David Hildenbrand
Date: Fri Feb 03 2023 - 09:34:52 EST


On 29.01.23 13:42, Mike Rapoport wrote:
From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>

Every architecture that supports FLATMEM memory model defines its own
version of pfn_valid() that essentially compares a pfn to max_mapnr.

Use mips/powerpc version implemented as static inline as a generic
implementation of pfn_valid() and drop its per-architecture definitions.

Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Guo Ren <guoren@xxxxxxxxxx> # csky
Acked-by: Huacai Chen <chenhuacai@xxxxxxxxxxx> # LoongArch
Acked-by: Stafford Horne <shorne@xxxxxxxxx> # OpenRISC
---

LGTM with the fixup

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Thanks,

David / dhildenb