perf: Fix wakeup storm for RO mmap()s

[firefly-linux-kernel-4.4.55.git] / include / linux / perf_event.h

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 7cd7b356447db128cee59fdff4bfd5b1281c55f8..7098ebbb3b3a1272e4fbb67342f384aac9cbe7c6 100644 (file)
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -599,7 +599,7 @@ struct perf_mmap_data {
        local_t                         head;           /* write position    */
        local_t                         nest;           /* nested writers    */
        local_t                         events;         /* event limit       */
-       local_t                         wakeup;         /* needs a wakeup    */
+       local_t                         wakeup;         /* wakeup stamp      */
        local_t                         lost;           /* nr records lost   */
 
        long                            watermark;      /* wakeup watermark  */