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Diffstat (limited to 'kernel/arch/m68k/include/asm/page_no.h')
-rw-r--r--kernel/arch/m68k/include/asm/page_no.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/arch/m68k/include/asm/page_no.h b/kernel/arch/m68k/include/asm/page_no.h
new file mode 100644
index 000000000..ef2091695
--- /dev/null
+++ b/kernel/arch/m68k/include/asm/page_no.h
@@ -0,0 +1,40 @@
+#ifndef _M68K_PAGE_NO_H
+#define _M68K_PAGE_NO_H
+
+#ifndef __ASSEMBLY__
+
+extern unsigned long memory_start;
+extern unsigned long memory_end;
+
+#define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
+#define free_user_page(page, addr) free_page(addr)
+
+#define clear_page(page) memset((page), 0, PAGE_SIZE)
+#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(page, vaddr, pg) clear_page(page)
+#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
+
+#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+
+#define __pa(vaddr) ((unsigned long)(vaddr))
+#define __va(paddr) ((void *)(paddr))
+
+#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
+#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
+
+#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
+#define page_to_virt(page) __va(((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET))
+
+#define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn))
+#define page_to_pfn(page) virt_to_pfn(page_to_virt(page))
+#define pfn_valid(pfn) ((pfn) < max_mapnr)
+
+#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
+ ((void *)(kaddr) < (void *)memory_end))
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _M68K_PAGE_NO_H */