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>
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 4df5b69..64ec2c9 100644
--- 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)
{