From: Steven Rostedt (Red Hat) <rostedt@goodmis.org>
Date: Wed, 23 Jul 2014 23:45:12 +0000 (-0400)
Subject: ring-buffer: Use rb_page_size() instead of open coded head_page size
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~186^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10e83fd01ccbb7122ad2c9dce68fb01bebb3fc46;p=pandora-kernel.git

ring-buffer: Use rb_page_size() instead of open coded head_page size

There's a helper function to get a ring buffer page size (the number
of bytes of data recorded on the page), called rb_page_size().
Use that instead of open coding it.

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