patch-2.3.46 linux/include/asm-sparc64/page.h

• Lines: 21
• Date: Mon Feb 14 15:34:21 2000
• Orig file: v2.3.45/linux/include/asm-sparc64/page.h
• Orig date: Wed Dec 29 13:13:21 1999

diff -u --recursive --new-file v2.3.45/linux/include/asm-sparc64/page.h linux/include/asm-sparc64/page.h
@@ -126,6 +126,20 @@
 
 extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];
 
+/* Pure 2^n version of get_order */
+extern __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__) */
 
 #endif /* !(__KERNEL__) */