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Commit 10e83fd0 authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Steven Rostedt
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ring-buffer: Use rb_page_size() instead of open coded head_page size 



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: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 0162d621

kernel/trace/ring_buffer.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -3763,7 +3763,7 @@ rb_iter_peek(struct ring_buffer_iter *iter, u64 *ts) 
	if (rb_per_cpu_empty(cpu_buffer))

	if (rb_per_cpu_empty(cpu_buffer))

		return NULL;

		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);

		rb_inc_iter(iter);

		goto again;

		goto again;

	}

	}