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Diffstat (limited to 'include/linux/ring_buffer.h')
-rw-r--r--include/linux/ring_buffer.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 5b9ae62272bb..1a40277b512c 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -128,7 +128,7 @@ ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts,
unsigned long *lost_events);
struct ring_buffer_iter *
-ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu);
+ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu, gfp_t flags);
void ring_buffer_read_prepare_sync(void);
void ring_buffer_read_start(struct ring_buffer_iter *iter);
void ring_buffer_read_finish(struct ring_buffer_iter *iter);
@@ -187,8 +187,6 @@ void ring_buffer_set_clock(struct ring_buffer *buffer,
void ring_buffer_set_time_stamp_abs(struct ring_buffer *buffer, bool abs);
bool ring_buffer_time_stamp_abs(struct ring_buffer *buffer);
-size_t ring_buffer_page_len(void *page);
-
size_t ring_buffer_nr_pages(struct ring_buffer *buffer, int cpu);
size_t ring_buffer_nr_dirty_pages(struct ring_buffer *buffer, int cpu);