patch-2.3.99-pre6 linux/include/asm-ia64/cache.h

• Lines: 32
• Date: Fri Apr 21 15:21:24 2000
• Orig file: v2.3.99-pre5/linux/include/asm-ia64/cache.h
• Orig date: Thu Feb 10 17:11:20 2000

diff -u --recursive --new-file v2.3.99-pre5/linux/include/asm-ia64/cache.h linux/include/asm-ia64/cache.h
@@ -1,12 +1,28 @@
 #ifndef _ASM_IA64_CACHE_H
 #define _ASM_IA64_CACHE_H
 
+#include <linux/config.h>
+
 /*
- * Copyright (C) 1998, 1999 Hewlett-Packard Co
- * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1998-2000 Hewlett-Packard Co
+ * Copyright (C) 1998-2000 David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
 /* Bytes per L1 (data) cache line.  */
-#define L1_CACHE_BYTES		64
+#define LOG_L1_CACHE_BYTES	6
+#define L1_CACHE_BYTES		(1 << LOG_L1_CACHE_BYTES)
+
+#ifdef CONFIG_SMP
+# define SMP_LOG_CACHE_BYTES	LOG_L1_CACHE_BYTES
+# define SMP_CACHE_BYTES	L1_CACHE_BYTES
+#else
+  /*
+   * The "aligned" directive can only _increase_ alignment, so this is
+   * safe and provides an easy way to avoid wasting space on a
+   * uni-processor:
+   */
+# define SMP_LOG_CACHE_BYTES	3
+# define SMP_CACHE_BYTES	(1 << 3)
+#endif
 
 #endif /* _ASM_IA64_CACHE_H */