23.1.1. Fixes to Errata in Previous Versions of MPI

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    1. Section Return Status on page Return Status, and MPI-4.1 Section 3.2.5 on page 39.
    Mark status argument as const in MPI_STATUS_GET_SOURCE, MPI_STATUS_GET_TAG, and MPI_STATUS_GET_ERROR.


    2. Sections Starting MPI Processes and Memory Allocation Info on pages Starting MPI Processes and Memory Allocation Info, and MPI-4.1 Sections 11.2.1 and 11.4.3 on pages 484 and 508.
    Clarified that, in the World Model, the value of the mpi_memory_alloc_kinds info key in MPI_INFO_ENV indicates the requested memory allocation kinds. The provided memory allocation kinds can be queried through the value of the mpi_memory_alloc_kinds info key in the info object returned by a call to MPI_COMM_GET_INFO on MPI_COMM_WORLD or MPI_COMM_SELF.


    3. Section Memory Allocation Info on page Memory Allocation Info, and MPI-4.1 Section 11.4.3 on page 508.
    Clarified the requirements of the mpi_memory_alloc_kinds info key's value when defaulted.


    4. Section Request-based RMA Communication Operations page Request-based RMA Communication Operations and MPI-4.1 Section 12.3.5 on page 580.
    The text contained contradicting statements about the use of MPI_REQUEST_FREE on RMA requests. A statement that suggested the use of MPI_REQUEST_FREE to release RMA requests after the window has been flushed was removed.


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