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      1 # Memory Page
      2 
      3 **Source:** CS 6200
      4 
      5 **Chapter:** P1L2
      6 
      7 **Definition:** A memory page is an abstraction on top of a data storage medium that allows processes to use bytes associated with the memory page.
      8 
      9 In the case of swap, processes are not aware they are using swap, but this might be where their information is being stored by the OS.
     10 
     11 ## Mechanisms
     12 
     13 - Allocate
     14 - Map to a process's address space
     15 
     16 ## Policies
     17 
     18 - Least recently used to disk
     19     - LRU pages are evicted from physical memory (swap)