string: introduce memweight()

[mirror_ubuntu-artful-kernel.git] / include / linux / string.h

diff --git a/include/linux/string.h b/include/linux/string.h
index e033564f10baec5b9b39a75c29f956f5d512e7c4..ffe0442e18d2f4e2d7b8d8eb8f22ffbc532e67e4 100644 (file)
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -145,4 +145,7 @@ 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 /* _LINUX_STRING_H_ */