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  1. #1

    is the RAM that is unmapped being used?

    generally, in a 32 bit system. if the RAM is of 4GB. only 3.28GB is mapped into virtual address space and the rest of the address space is used for register mapping.
    I wanted to know weather the RAM that is not mapped into virtual space is being used or left unused.
    Please reply.

  2. #2
    Just Joined!
    Join Date
    May 2011
    Austin, TX
    grep "MemTotal" /proc/meminfo

  3. #3
    Hi, Thanks for replying.

    meminfo reads the information from DDR Controller and prints the information.
    But, My question is weather the virtual/logical mapping exists for entire RAM

  4. $spacer_open
  5. #4
    Linux Engineer
    Join Date
    Apr 2012
    Virginia, USA
    I don't think this is really a linux question, per se. You may want to check wikipedia.

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