Merge branch 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszere...

[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 2cdc9d422bed9245bef3e0e62a007efad80be6c1..2b621982938d4653436b3d5cfe7578c1c71e6bb9 100644 (file)
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -202,6 +202,13 @@ struct pmu {
         */
        int (*event_init)               (struct perf_event *event);
 
+       /*
+        * Notification that the event was mapped or unmapped.  Called
+        * in the context of the mapping task.
+        */
+       void (*event_mapped)            (struct perf_event *event); /*optional*/
+       void (*event_unmapped)          (struct perf_event *event); /*optional*/
+
 #define PERF_EF_START  0x01            /* start the counter when adding    */
 #define PERF_EF_RELOAD 0x02            /* reload the counter when starting */
 #define PERF_EF_UPDATE 0x04            /* update the counter when stopping */