These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / asm-generic / memory_model.h

diff --git a/kernel/include/asm-generic/memory_model.h b/kernel/include/asm-generic/memory_model.h
index 14909b0..4b4b056 100644 (file)
--- a/kernel/include/asm-generic/memory_model.h
+++ b/kernel/include/asm-generic/memory_model.h
@@ -69,6 +69,12 @@
 })
 #endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */
 
+/*
+ * Convert a physical address to a Page Frame Number and back
+ */
+#define        __phys_to_pfn(paddr)    ((unsigned long)((paddr) >> PAGE_SHIFT))
+#define        __pfn_to_phys(pfn)      PFN_PHYS(pfn)
+
 #define page_to_pfn __page_to_pfn
 #define pfn_to_page __pfn_to_page