Merge tag 'perf_urgent_for_v5.18_rc4' of git://git.kernel.org/pub/scm/linux/kernel...

[sfrench/cifs-2.6.git] / kernel / events / internal.h

diff --git a/kernel/events/internal.h b/kernel/events/internal.h
index 082832738c8fd97c9382fd70cc5266e1a6fcf082..5150d5f84c033e5c2e7594db13e3d40f334d4eb3 100644 (file)
--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -116,6 +116,11 @@ static inline int page_order(struct perf_buffer *rb)
 }
 #endif
 
+static inline int data_page_nr(struct perf_buffer *rb)
+{
+       return rb->nr_pages << page_order(rb);
+}
+
 static inline unsigned long perf_data_size(struct perf_buffer *rb)
 {
        return rb->nr_pages << (PAGE_SHIFT + page_order(rb));