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-rw-r--r--include/linux/compat.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 39c693f..593b07f 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -48,5 +48,8 @@
#define BUG_ON(condition) do { if (condition) BUG(); } while(0)
#endif /* BUG */
+#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
+ , __FILE__, __LINE__); }
+
#define PAGE_SIZE 4096
#endif