[PATCH] doc: add trace_buf_size description to kernel-parameters.txt

[KOSAKI Motohiro]

from early boot tracing view, trace_buf_size parameter is important.
it should be documented.


Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
---
 Documentation/kernel-parameters.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index dd35cb7..8869faa 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2349,6 +2349,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	tp720=		[HW,PS2]
 
+	trace_buf_size=nn[KMG] [ftrace] will set tracing buffer size.
+
 	trix=		[HW,OSS] MediaTrix AudioTrix Pro
 			Format:
 			<io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
-- 
1.6.1.2



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