patch-2.4.25 linux-2.4.25/include/asm-cris/page.h

• Lines: 21
• Date: 2004-02-18 05:36:32.000000000 -0800
• Orig file: linux-2.4.24/include/asm-cris/page.h
• Orig date: 2002-08-02 17:39:45.000000000 -0700

diff -urN linux-2.4.24/include/asm-cris/page.h linux-2.4.25/include/asm-cris/page.h
@@ -80,6 +80,20 @@
          BUG(); \
 } while (0)
 
+/* Pure 2^n version of get_order */
+static __inline__ int get_order(unsigned long size)
+{
+	int order;
+
+	size = (size-1) >> (PAGE_SHIFT-1);
+	order = -1;
+	do {
+		size >>= 1;
+		order++;
+	} while (size);
+	return order;
+}
+
 #endif /* __ASSEMBLY__ */
 
 /* macros to convert between really physical and virtual addresses