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-rw-r--r--include/asm-x86_64/cache.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-x86_64/cache.h b/include/asm-x86_64/cache.h
new file mode 100644
index 0000000..eda62ba
--- /dev/null
+++ b/include/asm-x86_64/cache.h
@@ -0,0 +1,14 @@
+/*
+ * include/asm-x8664/cache.h
+ */
+#ifndef __ARCH_X8664_CACHE_H
+#define __ARCH_X8664_CACHE_H
+
+#include <linux/config.h>
+
+/* L1 cache line size */
+#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+#define L1_CACHE_SHIFT_MAX 6 /* largest L1 which this arch supports */
+
+#endif
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