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authorJoel Fernandes <joelaf@google.com>2017-02-16 20:10:58 -0800
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2017-02-17 09:56:51 -0500
commit67d04bb2bcbd3e99f4c4daa58599c90a83ad314a (patch)
tree0552148760a0551fdbc6bd227275ba05b59294f8 /kernel
parentbef5da60595f5706232e2502876f8545743b9b41 (diff)
downloadlinux-67d04bb2bcbd3e99f4c4daa58599c90a83ad314a.tar.gz
tracing: Remove outdated ring buffer comment
The comment about ring buffer's organization is outdated and the code sits elsewhere, remove the comment.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: Joel Fernandes <joelaf@google.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/trace.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 4589b67..54e3b87 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -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,