Commit 5beae6ef authored Apr 29, 2009 by Steven Rostedt Committed by Steven Rostedt Apr 29, 2009

tracing: fix ref count in splice pages



The pages allocated for the splice binary buffer did not initialize
the ref count correctly. This caused pages not to be freed and causes
a drastic memory leak.

Thanks to logdev I was able to trace the tracer to find where the leak
was.

[ Impact: stop memory leak when using splice ]

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

parent cd891ae0

kernel/trace/trace.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -3531,6 +3531,7 @@ tracing_buffers_splice_read(struct file file, loff_t ppos,
		if (!ref)
		break;

		ref->ref = 1;
		ref->buffer = info->tr->buffer;
		ref->page = ring_buffer_alloc_read_page(ref->buffer);
		if (!ref->page) {