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[MIPS] Consolidate definitions of pfn_valid in one file.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2006-06-12 09:13:56 +01:00
parent 952fa954a6
commit e53639d8f3
2 changed files with 19 additions and 8 deletions
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8
include/asm-mips/mmzone.h
View File

@ -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)

19
include/asm-mips/page.h
View File

@ -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)