From: Matthias Kaehlcke <m...@chromium.org>

This fixes the following warning when building with clang:

kernel/trace/ring_buffer.c:1842:1: error: unused function
    '__rb_data_page_index' [-Werror,-Wunused-function]

Link: http://lkml.kernel.org/r/20170518001415.5223-1-...@chromium.org

Reviewed-by: Douglas Anderson <diand...@chromium.org>
Signed-off-by: Matthias Kaehlcke <m...@chromium.org>
Signed-off-by: Steven Rostedt (VMware) <rost...@goodmis.org>
---
 kernel/trace/ring_buffer.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 91874a95060d..c87766c1c204 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1799,12 +1799,6 @@ void ring_buffer_change_overwrite(struct ring_buffer 
*buffer, int val)
 }
 EXPORT_SYMBOL_GPL(ring_buffer_change_overwrite);
 
-static __always_inline void *
-__rb_data_page_index(struct buffer_data_page *bpage, unsigned index)
-{
-       return bpage->data + index;
-}
-
 static __always_inline void *__rb_page_index(struct buffer_page *bpage, 
unsigned index)
 {
        return bpage->page->data + index;
-- 
2.13.2


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