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-rw-r--r--arch/nios2/include/asm/page.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/nios2/include/asm/page.h b/arch/nios2/include/asm/page.h
index 74477ab66f65..f1fbdc47bdaf 100644
--- a/arch/nios2/include/asm/page.h
+++ b/arch/nios2/include/asm/page.h
@@ -85,8 +85,15 @@ extern struct page *mem_map;
((void *)(((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
# define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
-# define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && \
- (pfn) < max_mapnr)
+
+static inline bool pfn_valid(unsigned long pfn)
+{
+ /* avoid <linux/mm.h> include hell */
+ extern unsigned long max_mapnr;
+ unsigned long pfn_offset = ARCH_PFN_OFFSET;
+
+ return pfn >= pfn_offset && pfn < max_mapnr;
+}
# define virt_to_page(vaddr) pfn_to_page(PFN_DOWN(virt_to_phys(vaddr)))
# define virt_addr_valid(vaddr) pfn_valid(PFN_DOWN(virt_to_phys(vaddr)))