SSD lifespan concerns are overdone. Tech report took 100TB of constant writing to get a TLC SSD to start showing errors, and you're not likely to do that. However, by avoiding swap, you're in all likelihood causing extra reads, which also degrade performance. I advise saving your worry for other aspects, such as reliability during unexpected power loss.

http://techreport.com/review/25559/the-ssd-endurance-experim...