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-rw-r--r--include/linux/kernel.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index d3cd23f30039..f4e3184fa054 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -659,6 +659,12 @@ extern int do_sysinfo(struct sysinfo *info);
#endif /* __KERNEL__ */
+#ifndef __EXPORTED_HEADERS__
+#ifndef __KERNEL__
+#warning Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders
+#endif /* __KERNEL__ */
+#endif /* __EXPORTED_HEADERS__ */
+
#define SI_LOAD_SHIFT 16
struct sysinfo {
long uptime; /* Seconds since boot */
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