I am using this parameter "shmem_mmap_relocate_backing_file" and noticed that 
the relocation variable is identified as 
"shmem_mmap_opal_shmem_mmap_backing_file_base_dir" in its documentation, but 
then the next parameter that appears from ompi_info is spelled differently, 
namely "shmem_mmap_backing_file_base_dir". 

Is the first name just a typo?


> MCA shmem: parameter "shmem_mmap_relocate_backing_file" 
> (current value: 
> <0>, data source: default value) 
> Whether to change the default placement of 
> backing files or not 
> (Negative = try to relocate backing files to 
> an area rooted at 
> the path specified by 
> 
> shmem_mmap_opal_shmem_mmap_backing_file_base_dir, but continue 
> with the default path if the relocation 
> fails, 0 = do not 
> relocate, Positive = same as the negative 
> option, but will fail 
> if the relocation fails. 
> MCA shmem: parameter "shmem_mmap_backing_file_base_dir" 
> (current value: 
> </dev/shm>, data source: default value) 
> Specifies where backing files will be created when 
> shmem_mmap_relocate_backing_file is in use.

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