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-rw-r--r--include/linux/cache.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cache.h b/include/linux/cache.h
index 4552504c022..97e24881c4c 100644
--- a/include/linux/cache.h
+++ b/include/linux/cache.h
@@ -60,4 +60,8 @@
#endif
#endif
+#ifndef CONFIG_ARCH_HAS_CACHE_LINE_SIZE
+#define cache_line_size() L1_CACHE_BYTES
+#endif
+
#endif /* __LINUX_CACHE_H */