Freezer: Only show the state of tasks refusing to freeze
show_state will dump all tasks state, so if freezer failed to freeze any task, kernel will dump all tasks state and flood the dmesg log. This patch makes freezer only show state of tasks refusing to freeze. Signed-off-by: NXiaotian Feng <dfeng@redhat.com> Acked-by: NPavel Machek <pavel@ucw.cz> Acked-by: NDavid Rientjes <rientjes@google.com> Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
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