perf/core: Fix perf_mmap fail when CONFIG_PERF_USE_VMALLOC enabled

[sfrench/cifs-2.6.git] / kernel / events / ring_buffer.c

diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index 52868716ec358673c3c67fb130278f162c895283..fb35b926024caeda34d6678f4bc98db6b70069b2 100644 (file)
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -859,11 +859,6 @@ void rb_free(struct perf_buffer *rb)
 }
 
 #else
-static int data_page_nr(struct perf_buffer *rb)
-{
-       return rb->nr_pages << page_order(rb);
-}
-
 static struct page *
 __perf_mmap_to_page(struct perf_buffer *rb, unsigned long pgoff)
 {