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-rw-r--r--kernel/include/asm-generic/cache.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/include/asm-generic/cache.h b/kernel/include/asm-generic/cache.h
new file mode 100644
index 000000000..1bfcfe5c2
--- /dev/null
+++ b/kernel/include/asm-generic/cache.h
@@ -0,0 +1,12 @@
+#ifndef __ASM_GENERIC_CACHE_H
+#define __ASM_GENERIC_CACHE_H
+/*
+ * 32 bytes appears to be the most common cache line size,
+ * so make that the default here. Architectures with larger
+ * cache lines need to provide their own cache.h.
+ */
+
+#define L1_CACHE_SHIFT 5
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#endif /* __ASM_GENERIC_CACHE_H */