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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2019-05-10 21:43:46 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2019-05-10 21:43:46 +0300
commit2a267e7c41aa88215de2b542de797d03d16ecdfd (patch)
treeb949270835e304c8b60a40cde1b2c2e19c13b33a /include/linux/ring_buffer.h
parent0981949da8f7498b96c6e0ae60680865ca283bf1 (diff)
parente93c9c99a629c61837d5a7fc2120cd2b6c70dbdd (diff)
downloadlinux-2a267e7c41aa88215de2b542de797d03d16ecdfd.tar.xz
Merge tag 'v5.1' into next
Sync up with mainline to bring in the latest APIs.
Diffstat (limited to 'include/linux/ring_buffer.h')
-rw-r--r--include/linux/ring_buffer.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 0940fda59872..1a40277b512c 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -97,7 +97,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k
__ring_buffer_alloc((size), (flags), &__key); \
})
-int ring_buffer_wait(struct ring_buffer *buffer, int cpu, bool full);
+int ring_buffer_wait(struct ring_buffer *buffer, int cpu, int full);
__poll_t ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu,
struct file *filp, poll_table *poll_table);
@@ -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 +187,8 @@ 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);
void *ring_buffer_alloc_read_page(struct ring_buffer *buffer, int cpu);
void ring_buffer_free_read_page(struct ring_buffer *buffer, int cpu, void *data);