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-rw-r--r--arch/s390/oprofile/hwsampler.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/oprofile/hwsampler.h b/arch/s390/oprofile/hwsampler.h
index 8c72b59316b..1912f3bb190 100644
--- a/arch/s390/oprofile/hwsampler.h
+++ b/arch/s390/oprofile/hwsampler.h
@@ -102,8 +102,8 @@ int hwsampler_setup(void);
int hwsampler_shutdown(void);
int hwsampler_allocate(unsigned long sdbt, unsigned long sdb);
int hwsampler_deallocate(void);
-long hwsampler_query_min_interval(void);
-long hwsampler_query_max_interval(void);
+unsigned long hwsampler_query_min_interval(void);
+unsigned long hwsampler_query_max_interval(void);
int hwsampler_start_all(unsigned long interval);
int hwsampler_stop_all(void);
int hwsampler_deactivate(unsigned int cpu);