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tracing: trace_mmap.h: fix a kernel-doc warning

Add a description of struct reader to resolve a kernel-doc warning:

Warning: include/uapi/linux/trace_mmap.h:43 struct member 'reader' not described in 'trace_buffer_meta'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

authored by

Randy Dunlap and committed by
Steven Rostedt (Google)
fd4cb451 6b0c7c28

+1
+1
include/uapi/linux/trace_mmap.h
··· 10 10 * @meta_struct_len: Size of this structure. 11 11 * @subbuf_size: Size of each sub-buffer. 12 12 * @nr_subbufs: Number of subbfs in the ring-buffer, including the reader. 13 + * @reader: The reader composite info structure 13 14 * @reader.lost_events: Number of events lost at the time of the reader swap. 14 15 * @reader.id: subbuf ID of the current reader. ID range [0 : @nr_subbufs - 1] 15 16 * @reader.read: Number of bytes read on the reader subbuf.