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kernel
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linux
[MIPS] Consolidate definitions of pfn_valid in one file.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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include/asm-mips/mmzone.h
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include/asm-mips/mmzone.h
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#define kvaddr_to_nid(kvaddr) pa_to_nid(__pa(kvaddr))
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#define pfn_to_nid(pfn) pa_to_nid((pfn) << PAGE_SHIFT)
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#define pfn_valid(pfn) \
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({ \
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unsigned long __pfn = (pfn); \
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int __n = pfn_to_nid(__pfn); \
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((__n >= 0) ? (__pfn < NODE_DATA(__n)->node_start_pfn + \
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NODE_DATA(__n)->node_spanned_pages) : 0);\
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})
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/* XXX: FIXME -- wli */
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#define kern_addr_valid(addr) (0)
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include/asm-mips/page.h
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include/asm-mips/page.h
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#endif
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#endif
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#ifdef CONFIG_FLATMEM
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#define pfn_valid(pfn) ((pfn) < max_mapnr)
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#elif defined(CONFIG_NEED_MULTIPLE_NODES)
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#define pfn_valid(pfn) \
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({ \
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unsigned long __pfn = (pfn); \
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int __n = pfn_to_nid(__pfn); \
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((__n >= 0) ? (__pfn < NODE_DATA(__n)->node_start_pfn + \
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NODE_DATA(__n)->node_spanned_pages) \
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: 0); \
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})
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#else
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#error Provide a definition of pfn_valid
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#endif
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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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