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Commit 67d04bb2 authored by Joel Fernandes's avatar Joel Fernandes Committed by Steven Rostedt (VMware)
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tracing: Remove outdated ring buffer comment 

The comment about ring buffer's organization is outdated and the code sits
elsewhere, remove the comment.
Link: http://lkml.kernel.org/r/20170217041058.23904-1-joelaf@google.com



Cc: Ingo Molnar <mingo@redhat.com>

Signed-off-by: default avatarJoel Fernandes <joelaf@google.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent bef5da60

kernel/trace/trace.c

+2 −10
Original line number Diff line number Diff line
@@ -260,16 +260,8 @@ unsigned long long ns2usecs(u64 nsec) 
	TRACE_ITER_EVENT_FORK



/*

 * The global_trace is the descriptor that holds the tracing

 * buffers for the live tracing. For each CPU, it contains

 * a link list of pages that will store trace entries. The

 * page descriptor of the pages in the memory is used to hold

 * the link list by linking the lru item in the page descriptor

 * to each of the pages in the buffer per CPU.

 *

 * For each active CPU there is a data field that holds the

 * pages for the buffer for that CPU. Each CPU has the same number

 * of pages allocated for its buffer.

 * The global_trace is the descriptor that holds the top-level tracing

 * buffers for the live tracing.

 */

static struct trace_array global_trace = {

	.trace_flags = TRACE_DEFAULT_FLAGS,