[dpdk-dev] [PATCH v2] eal/mem: preallocate VA space in no-huge	mode
    Thomas Monjalon 
    thomas at monjalon.net
       
    Thu Feb  6 16:39:47 CET 2020
    
    
  
24/01/2020 18:05, Anatoly Burakov:
> When --no-huge mode is used, the memory is currently allocated with
> mmap(NULL, ...). This is fine in most cases, but can fail in cases
> where DPDK is run on a machine with an IOMMU that is of more limited
> address width than that of a VA, because we're not specifying the
> address hint for mmap() call.
> 
> Fix it by preallocating VA space before mapping it.
> 
> Cc: stable at dpdk.org
> 
> Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Applied, thanks
    
    
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