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Hi, 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 ...
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  1. 04-23-2012 #1
    arunalapati
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    is the RAM that is unmapped being used?

    Hi,
    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.
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  2. 04-23-2012 #2
    dayid
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    Code:
    grep "MemTotal" /proc/meminfo
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  3. 04-25-2012 #3
    arunalapati
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    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
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  4. 04-25-2012 #4
    mizzle
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    I don't think this is really a linux question, per se. You may want to check wikipedia.
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