patch-2.3.30 linux/include/linux/cache.h

• Lines: 29
• Date: Mon Dec 6 17:15:53 1999
• Orig file: v2.3.29/linux/include/linux/cache.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.29/linux/include/linux/cache.h linux/include/linux/cache.h
@@ -0,0 +1,28 @@
+#ifndef __LINUX_CACHE_H
+#define __LINUX_CACHE_H
+
+#include <asm/cache.h>
+
+#ifndef L1_CACHE_ALIGN
+#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
+#endif
+
+#ifndef SMP_CACHE_BYTES
+#define SMP_CACHE_BYTES L1_CACHE_BYTES
+#endif
+
+#ifndef ____cacheline_aligned
+#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
+#endif
+
+#ifndef __cacheline_aligned
+#ifdef MODULE
+#define __cacheline_aligned ____cacheline_aligned
+#else
+#define __cacheline_aligned					\
+  __attribute__((__aligned__(SMP_CACHE_BYTES),			\
+		 __section__(".data.cacheline_aligned")))
+#endif
+#endif /* __cacheline_aligned */
+
+#endif /* __LINUX_CACHE_H */