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LDOMS and memory (PA/RA)

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LDOMS and memory (PA/RA).
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Old Unix and Linux 10-03-2017   -   Original Discussion by psychocandy
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LDOMS and memory (PA/RA)

If I do ldm ls l ldom1 the memory block is as follows:-



Code:
MEMORY
    RA               PA               SIZE
    0x20000000       0x20000000       64G
    0x1420000000     0x1020000000     16G
    0x1c20000000     0x1420000000     16G
    0x2420000000     0x1820000000     16G
    0x2c20000000     0x1c20000000     6G

What are RA/PA? What is total memory allocated? Why split like this?

Last edited by rbatte1; 10-03-2017 at 06:33 AM.. Reason: Added ICODE tags