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由 matthieu castet 提交于
this patch use wait_event_interruptible_timeout and msleep_interruptible beacause uninterruptible sleep (task state 'D') is counted as 1 towards load average, like running processes. Signed-off-by: NMatthieu Castet <castet.matthieu@free.fr> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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