+ mips-drop-definition-of-pfn_valid-for-discontigmem.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mips: drop definition of pfn_valid() for DISCONTIGMEM
has been added to the -mm mm-unstable branch.  Its filename is
     mips-drop-definition-of-pfn_valid-for-discontigmem.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mips-drop-definition-of-pfn_valid-for-discontigmem.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: "Mike Rapoport (IBM)" <rppt@kernel.org>
Subject: mips: drop definition of pfn_valid() for DISCONTIGMEM
Date: Wed, 25 Jan 2023 21:07:56 +0200

There is a stale definition of pfn_valid() for DISCONTINGMEM memory model
guarded by !FLATMEM && !SPARSEMEM && NUMA ifdefery.

Remove everything but definition of pfn_valid() for FLATMEM.

Link: https://lkml.kernel.org/r/20230125190757.22555-3-rppt@kernel.org
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Brian Cain <bcain@quicinc.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Vineet Gupta <vgupta@kernel.org>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- a/arch/mips/include/asm/page.h~mips-drop-definition-of-pfn_valid-for-discontigmem
+++ a/arch/mips/include/asm/page.h
@@ -235,21 +235,6 @@ static inline int pfn_valid(unsigned lon
 	return pfn >= pfn_offset && pfn < max_mapnr;
 }
 
-#elif defined(CONFIG_SPARSEMEM)
-
-/* pfn_valid is defined in linux/mmzone.h */
-
-#elif defined(CONFIG_NUMA)
-
-#define pfn_valid(pfn)							\
-({									\
-	unsigned long __pfn = (pfn);					\
-	int __n = pfn_to_nid(__pfn);					\
-	((__n >= 0) ? (__pfn < NODE_DATA(__n)->node_start_pfn +		\
-			       NODE_DATA(__n)->node_spanned_pages)	\
-		    : 0);						\
-})
-
 #endif
 
 #define virt_to_pfn(kaddr)   	PFN_DOWN(virt_to_phys((void *)(kaddr)))
_

Patches currently in -mm which might be from rppt@kernel.org are

mm-sparse-fix-unused-function-pgdat_to_phys-warning.patch
m68k-use-asm-generic-memory_modelh-for-both-mmu-and-mmu.patch
mips-drop-definition-of-pfn_valid-for-discontigmem.patch
mm-arch-add-generic-implementation-of-pfn_valid-for-flatmem.patch