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Correct wrong comment for TestRunWithoutMemoryswapLimit case.

Signed-off-by: Yuan Sun <sunyuan3@huawei.com>

Yuan Sun authored on 2015/09/18 09:28:36
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@@ -299,7 +299,10 @@ func (s *DockerSuite) TestRunEchoStdoutWithMemoryLimit(c *check.C) {
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 	}
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 }
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-// should run without memory swap
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+// TestRunWithoutMemoryswapLimit sets memory limit and disables swap
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+// memory limit, this means the processes in the container can use
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+// 16M memory and as much swap memory as they need (if the host
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+// supports swap memory).
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 func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) {
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 	testRequires(c, NativeExecDriver)
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 	testRequires(c, memoryLimitSupport)