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Commit e53639d8 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] Consolidate definitions of pfn_valid in one file. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 952fa954

include/asm-mips/mmzone.h

+0 −8
Original line number Diff line number Diff line
@@ -14,14 +14,6 @@ 
#define kvaddr_to_nid(kvaddr)	pa_to_nid(__pa(kvaddr))

#define pfn_to_nid(pfn)		pa_to_nid((pfn) << PAGE_SHIFT)



#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);\

})



/* XXX: FIXME -- wli */

#define kern_addr_valid(addr)	(0)

include/asm-mips/page.h

+19 −0
Original line number Diff line number Diff line
@@ -145,6 +145,25 @@ typedef struct { unsigned long pgprot; } pgprot_t; 
#endif

#endif



#ifdef CONFIG_FLATMEM



#define pfn_valid(pfn)		((pfn) < max_mapnr)



#elif defined(CONFIG_NEED_MULTIPLE_NODES)



#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);						\

})



#else

#error Provide a definition of pfn_valid

#endif



#define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)

#define virt_addr_valid(kaddr)	pfn_valid(__pa(kaddr) >> PAGE_SHIFT)