Messages in this thread Patch in this message | | | Date | Fri, 25 Jul 2014 10:05:16 -0400 | From | Steven Rostedt <> | Subject | [for-next][PATCH 2/4] ring-buffer: Use rb_page_size() instead of open coded head_page size |
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From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
There's a helper function to get a ring buffer page size (the number of bytes of data recorded on the page), called rb_page_size(). Use that instead of open coding it.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- kernel/trace/ring_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 35825a87d6a3..d8c267ec5cca 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -3763,7 +3763,7 @@ rb_iter_peek(struct ring_buffer_iter *iter, u64 *ts) if (rb_per_cpu_empty(cpu_buffer)) return NULL; - if (iter->head >= local_read(&iter->head_page->page->commit)) { + if (iter->head >= rb_page_size(iter->head_page)) { rb_inc_iter(iter); goto again; } -- 2.0.1
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