Meomory allocation

hi all
i have 2 question:
1-Whene and why we use IoAllocateMdl and MmProbeAndLockPages.
2-Is 64MB limit true for simple memory allocation such as (ExAllocatePool)
thanks.

I answer this same question you posted a few days ago… did you not get it?

Mohammad Tarhsaz wrote:

hi all
i have 2 question:
1-Whene and why we use IoAllocateMdl and MmProbeAndLockPages.
2-Is 64MB limit true for simple memory allocation such as (ExAllocatePool)
thanks.


Nick Ryan (MVP for DDK)