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How to allocate many a small physical buffer that is below 4G address in 64 bit system? RRS feed

  • Question

  • Hi:

    I need to allocate many a physical buffer(size:64byte) that is below 4G address in 64 bit system.

    I can use ExAllocatePoolWithTag() to do this in 32 bit system.

    But in 64 bit system, ExAllocatePoolWithTag(), it seem not to make sure the physical address is below 4G.

    How to do this?

    Thursday, April 9, 2015 10:49 AM

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