Available KB (Anon Memory Not Reserved) 

Swap available. Total reserved swap space. 

Reserved KB (Anon Memory Reserved But Not Allocated) 

Swap reserved 

Allocated KB (Anon Memory Not Free) 

Swap allocated 

Used KB 

Swap used 

Total KB (Used + Available) 

Swap total 

Percent Swap Used  

Percentage of swap used 

Rule 405 

Meta Swap Rule