Xen devel - Oct 2008 - [PATCH 3] Update cpufreq statistic protection

Update cpufreq statistic protection

For struct pm_px, there are 3 pointer: pxpt, pt, trans_pt.
Partly free pointer ''pt'' and ''trans_pt'' will
result in little memory
leak,
and what is more, will result in protection issue when user access px
statistic
info through libxc.

Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>


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