[PATCH v2 2/4] m68k: use asm-generic/memory_model.h for both MMU and !MMU

From: Mike Rapoport <rppt@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>, Brian Cain <bcain@quicinc.com>,
	"David S. Miller" <davem@davemloft.net>,
	Dinh Nguyen <dinguyen@kernel.org>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Greg Ungerer <gerg@linux-m68k.org>, Guo Ren <guoren@kernel.org>,
	Helge Deller <deller@gmx.de>, Huacai Chen <chenhuacai@kernel.org>,
	Matt Turner <mattst88@gmail.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Michal Simek <monstr@monstr.eu>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Rich Felker <dalias@libc.org>,
	Richard Weinberger <richard@nod.at>,
	Russell King <linux@armlinux.org.uk>,
	Stafford Horne <shorne@gmail.com>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Vineet Gupta <vgupta@kernel.org>, WANG Xuerui <kernel@xen0n.name>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
	linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
	linux-mips@vger.kernel.org, linux-mm@kvack.org,
	linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org,
	linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org,
	linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev,
	openrisc@lists.librecores.org, sparclinux@vger.kernel.org,
	x86@kernel.org, "Mike Rapoport (IBM)" <rppt@kernel.org>
Subject: [PATCH v2 2/4] m68k: use asm-generic/memory_model.h for both MMU and !MMU
Date: Sun, 29 Jan 2023 14:42:33 +0200	[thread overview]
Message-ID: <20230129124235.209895-3-rppt@kernel.org> (raw)
In-Reply-To: <20230129124235.209895-1-rppt@kernel.org>

From: "Mike Rapoport (IBM)" <rppt@kernel.org>

The MMU variant uses generic definitions of page_to_pfn() and
pfn_to_page(), but !MMU defines them in include/asm/page_no.h for no
good reason.

Include asm-generic/memory_model.h in the common include/asm/page.h and
drop redundant definitions.

Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/include/asm/page.h    | 6 +-----
 arch/m68k/include/asm/page_mm.h | 1 -
 arch/m68k/include/asm/page_no.h | 2 --
 3 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/arch/m68k/include/asm/page.h b/arch/m68k/include/asm/page.h
index 2f1c54e4725d..a5993ad83ed8 100644
--- a/arch/m68k/include/asm/page.h
+++ b/arch/m68k/include/asm/page.h
@@ -62,11 +62,7 @@ extern unsigned long _ramend;
 #include <asm/page_no.h>
 #endif
 
-#ifndef CONFIG_MMU
-#define __phys_to_pfn(paddr)	((unsigned long)((paddr) >> PAGE_SHIFT))
-#define __pfn_to_phys(pfn)	PFN_PHYS(pfn)
-#endif
-
 #include <asm-generic/getorder.h>
+#include <asm-generic/memory_model.h>
 
 #endif /* _M68K_PAGE_H */
diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h
index a5b459bcb7d8..3903db2e8da7 100644
--- a/arch/m68k/include/asm/page_mm.h
+++ b/arch/m68k/include/asm/page_mm.h
@@ -134,7 +134,6 @@ extern int m68k_virt_to_node_shift;
 })
 
 #define ARCH_PFN_OFFSET (m68k_memory[0].addr >> PAGE_SHIFT)
-#include <asm-generic/memory_model.h>
 
 #define virt_addr_valid(kaddr)	((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
 #define pfn_valid(pfn)		virt_addr_valid(pfn_to_virt(pfn))
diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h
index c9d0d84158a4..0a8ccef777fd 100644
--- a/arch/m68k/include/asm/page_no.h
+++ b/arch/m68k/include/asm/page_no.h
@@ -26,8 +26,6 @@ extern unsigned long memory_end;
 #define virt_to_page(addr)	(mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
 #define page_to_virt(page)	__va(((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET))
 
-#define pfn_to_page(pfn)	virt_to_page(pfn_to_virt(pfn))
-#define page_to_pfn(page)	virt_to_pfn(page_to_virt(page))
 #define pfn_valid(pfn)	        ((pfn) < max_mapnr)
 
 #define	virt_addr_valid(kaddr)	(((unsigned long)(kaddr) >= PAGE_OFFSET) && \
-- 
2.35.1

