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Subject[Patch] string: do not export memweight() to userspace
Date
From: WANG Cong <xiyou.wangcong@gmail.com>

This patch fixes the following warning:

usr/include/linux/string.h:8: userspace cannot reference function or variable defined in the kernel

Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>

---
diff --git a/include/linux/string.h b/include/linux/string.h
index ffe0442..b917881 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -144,8 +144,8 @@ static inline bool strstarts(const char *str, const char *prefix)
{
return strncmp(str, prefix, strlen(prefix)) == 0;
}
-#endif

extern size_t memweight(const void *ptr, size_t bytes);

+#endif /* __KERNEL__ */
#endif /* _LINUX_STRING_H_ */

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