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Paul E. McKenney authored
Both rcutorture and locktorture currently place temporary files in /tmp, in keeping with decades-long tradition. However, sometimes it is useful to specify an alternative temporary directory, for example, for space or performance reasons. This commit therefore causes the torture-test scripting to use the path specified in the TMPDIR environment variable, or to fall back to traditional /tmp if this variable is not set. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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