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| author | Miroslav Benes <mbenes@suse.cz> | 2018-12-28 14:38:47 +0100 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-02-06 17:58:33 +0100 |
| commit | d325c402964e7c63db94e9138c530832269a1297 (patch) | |
| tree | 1c91c3aece96d2eb0a2d4eecfd3923722a1790db /kernel/trace/ring_buffer.c | |
| parent | tracing: Show stacktrace for wakeup tracers (diff) | |
| download | linux-d325c402964e7c63db94e9138c530832269a1297.tar.xz linux-d325c402964e7c63db94e9138c530832269a1297.zip | |
ring-buffer: Remove unused function ring_buffer_page_len()
Commit 6b7e633fe9c2 ("tracing: Remove extra zeroing out of the ring
buffer page") removed the only caller of ring_buffer_page_len(). The
function is now unused and may be removed.
Link: http://lkml.kernel.org/r/20181228133847.106177-1-mbenes@suse.cz
Signed-off-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 06e864a334bb..9a91479bbbfe 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -353,20 +353,6 @@ static void rb_init_page(struct buffer_data_page *bpage) local_set(&bpage->commit, 0); } -/** - * ring_buffer_page_len - the size of data on the page. - * @page: The page to read - * - * Returns the amount of data on the page, including buffer page header. - */ -size_t ring_buffer_page_len(void *page) -{ - struct buffer_data_page *bpage = page; - - return (local_read(&bpage->commit) & ~RB_MISSED_FLAGS) - + BUF_PAGE_HDR_SIZE; -} - /* * Also stolen from mm/slob.c. Thanks to Mathieu Desnoyers for pointing * this issue out. |