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authorMark Brown <[email protected]>2017-01-24 16:24:18 +0000
committerMark Brown <[email protected]>2017-01-24 16:24:18 +0000
commitdbbc21bbf2c640dd148903e82f752c2f269fc58a (patch)
treee85f5b686774e2fbae6387f94bf44c4076c49046 /include/linux/ring_buffer.h
parentf6fa11a35c548a516a41ce1669d0dbcdaabb267f (diff)
parent7ce7d89f48834cefece7804d38fc5d85382edf77 (diff)
Merge tag 'v4.10-rc1' into asoc-intel
Linux 4.10-rc1
Diffstat (limited to 'include/linux/ring_buffer.h')
-rw-r--r--include/linux/ring_buffer.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 4acc552e9279..b6d4568795a7 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -198,4 +198,10 @@ enum ring_buffer_flags {
RB_FL_OVERWRITE = 1 << 0,
};
+#ifdef CONFIG_RING_BUFFER
+int trace_rb_cpu_prepare(unsigned int cpu, struct hlist_node *node);
+#else
+#define trace_rb_cpu_prepare NULL
+#endif
+
#endif /* _LINUX_RING_BUFFER_H */