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This change will ensure that the upper and lower memory limits are set to whole numbers when dynamically setting the memory limits. Before this change a memory limit could be a float, and in certain versions of ansible + python the option could evaluate to 0, which would break everything. Change-Id: Ibfb8af60db6566937cbf77243b0e6848d542665d Signed-off-by: cloudnull <kevin@cloudnull.com>