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-rw-r--r--include/asm-um/cache.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-um/cache.h b/include/asm-um/cache.h
new file mode 100644
index 000000000000..4b134fe8504e
--- /dev/null
+++ b/include/asm-um/cache.h
@@ -0,0 +1,10 @@
+#ifndef __UM_CACHE_H
+#define __UM_CACHE_H
+
+/* These are x86 numbers */
+#define L1_CACHE_SHIFT 5
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#define L1_CACHE_SHIFT_MAX 7 /* largest L1 which this arch supports */
+
+#endif