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tracing/ring-buffer: remove unused ring_buffer size
authorLai Jiangshan <laijs@cn.fujitsu.com>
Wed, 17 Dec 2008 09:48:23 +0000 (17:48 +0800)
committerIngo Molnar <mingo@elte.hu>
Thu, 18 Dec 2008 12:49:56 +0000 (13:49 +0100)
Impact: remove dead code

struct ring_buffer.size is not set after ring_buffer is initialized
or resized. it is always 0.

we can use "buffer->pages * PAGE_SIZE" to get ring_buffer's size

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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