patch-2.3.46 linux/include/asm-ia64/page.h

• Lines: 19
• Date: Mon Feb 14 15:34:22 2000
• Orig file: v2.3.45/linux/include/asm-ia64/page.h
• Orig date: Thu Feb 10 17:11:20 2000

diff -u --recursive --new-file v2.3.45/linux/include/asm-ia64/page.h linux/include/asm-ia64/page.h
@@ -127,6 +127,18 @@
 #define BUG() do { printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); *(int *)0=0; } while (0)
 #define PAGE_BUG(page) do { BUG(); } while (0)
 
+extern __inline__ int get_order(unsigned long size)
+{
+        double d = size - 1;
+	long order;
+                
+	__asm__ ("getf.exp %0=%1" : "=r"(order) : "f"(d));
+	order = order - PAGE_SHIFT - 0xffff + 1;
+	if (order < 0)
+		order = 0;
+	return order;
+}
+
 #endif /* !ASSEMBLY */
 
 #define PAGE_OFFSET		0xe000000000000000