perf: Export perf_event_update_userpage

Export perf_event_update_userpage() so that PMU driver using them, can be built as modules. Acked-by: Peter Zilstra <peterz@infradead.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
mariux64 · Jan 2, 2018 · 82975c4 · 82975c4
1 parent 50c4c4e
commit 82975c4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/kernel/events/core.c b/kernel/events/core.c
@@ -4904,6 +4904,7 @@ void perf_event_update_userpage(struct perf_event *event)
 unlock:
 	rcu_read_unlock();
 }
+EXPORT_SYMBOL_GPL(perf_event_update_userpage);
 
 static int perf_mmap_fault(struct vm_fault *vmf)
 {