kernel/events: Add a missing prototype for arch_perf_update_userpage()

... in order to fix a -Wmissing-prototype warning.

No functional changes.

Signed-off-by: Benjamin Thiel <b.thiel@posteo.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20200109131351.9468-1-b.thiel@posteo.de
This commit is contained in:
Benjamin Thiel 2020-01-09 14:13:51 +01:00 committed by Ingo Molnar
parent 07c5972951
commit f1ec3a517b

View file

@ -1544,4 +1544,8 @@ int perf_event_exit_cpu(unsigned int cpu);
#define perf_event_exit_cpu NULL
#endif
extern void __weak arch_perf_update_userpage(struct perf_event *event,
struct perf_event_mmap_page *userpg,
u64 now);
#endif /* _LINUX_PERF_EVENT_H */