diff options
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/mmzone.h | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h index 69baaa8a3ce0..972c9359f7d7 100644 --- a/include/asm-x86_64/mmzone.h +++ b/include/asm-x86_64/mmzone.h @@ -36,22 +36,12 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) NODE_DATA(nid)->node_spanned_pages) #ifdef CONFIG_DISCONTIGMEM - #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT) #define kvaddr_to_nid(kaddr) phys_to_nid(__pa(kaddr)) -/* Requires pfn_valid(pfn) to be true */ -#define pfn_to_page(pfn) ({ \ - int nid = phys_to_nid(((unsigned long)(pfn)) << PAGE_SHIFT); \ - ((pfn) - node_start_pfn(nid)) + NODE_DATA(nid)->node_mem_map; \ -}) - -#define page_to_pfn(page) \ - (long)(((page) - page_zone(page)->zone_mem_map) + page_zone(page)->zone_start_pfn) - -#define pfn_valid(pfn) ((pfn) >= num_physpages ? 0 : \ - ({ u8 nid__ = pfn_to_nid(pfn); \ - nid__ != 0xff && (pfn) >= node_start_pfn(nid__) && (pfn) < node_end_pfn(nid__); })) +extern struct page *pfn_to_page(unsigned long pfn); +extern unsigned long page_to_pfn(struct page *page); +extern int pfn_valid(unsigned long pfn); #endif #define local_mapnr(kvaddr) \ |
