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e5080a9677
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. [rppt@kernel.org: fix the generic pfn_valid()] Link: https://lkml.kernel.org/r/Y9lg7R1Yd931C+y5@kernel.org Link: https://lkml.kernel.org/r/20230129124235.209895-5-rppt@kernel.org Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Guo Ren <guoren@kernel.org> [csky] Acked-by: Huacai Chen <chenhuacai@loongson.cn> [LoongArch] Acked-by: Stafford Horne <shorne@gmail.com> [OpenRISC] Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc] Reviewed-by: David Hildenbrand <david@redhat.com> Tested-by: Conor Dooley <conor.dooley@microchip.com> 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: Helge Deller <deller@gmx.de> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> 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: Russell King <linux@armlinux.org.uk> 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>
31 lines
678 B
C
31 lines
678 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_PAGE_32_H
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#define _ASM_X86_PAGE_32_H
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#include <asm/page_32_types.h>
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#ifndef __ASSEMBLY__
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#define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET)
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#ifdef CONFIG_DEBUG_VIRTUAL
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extern unsigned long __phys_addr(unsigned long);
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#else
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#define __phys_addr(x) __phys_addr_nodebug(x)
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#endif
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#define __phys_addr_symbol(x) __phys_addr(x)
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#define __phys_reloc_hide(x) RELOC_HIDE((x), 0)
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#include <linux/string.h>
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static inline void clear_page(void *page)
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{
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memset(page, 0, PAGE_SIZE);
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}
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static inline void copy_page(void *to, void *from)
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{
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memcpy(to, from, PAGE_SIZE);
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}
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#endif /* !__ASSEMBLY__ */
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#endif /* _ASM_X86_PAGE_32_H */
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