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38f0f12793
based on: Subject: x86: page.h: move and unify types for pagetable entry From: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
47 lines
1 KiB
C
47 lines
1 KiB
C
#ifndef _X86_64_PAGE_H
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#define _X86_64_PAGE_H
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#ifdef __KERNEL__
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#ifndef __ASSEMBLY__
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extern unsigned long end_pfn;
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extern unsigned long end_pfn_map;
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extern unsigned long phys_base;
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#endif /* !__ASSEMBLY__ */
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#ifndef __ASSEMBLY__
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#include <asm/bug.h>
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extern unsigned long __phys_addr(unsigned long);
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#endif /* __ASSEMBLY__ */
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#define __pa(x) __phys_addr((unsigned long)(x))
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#define __pa_symbol(x) __phys_addr((unsigned long)(x))
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#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
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#define __boot_va(x) __va(x)
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#define __boot_pa(x) __pa(x)
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#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
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#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
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#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
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#define __HAVE_ARCH_GATE_AREA 1
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#define vmemmap ((struct page *)VMEMMAP_START)
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#include <asm-generic/memory_model.h>
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#include <asm-generic/page.h>
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#endif /* __KERNEL__ */
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#ifdef CONFIG_FLATMEM
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#define pfn_valid(pfn) ((pfn) < end_pfn)
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#endif
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#endif /* _X86_64_PAGE_H */
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