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![Tariq Toukan](/assets/img/avatar_default.png)
If the allocation of a linear (physically continuous) MPWQE fails, we allocate a fragmented MPWQE. This is implemented via device's UMR (User Memory Registration) which allows to register multiple memory fragments into ConnectX hardware as a continuous buffer. UMR registration is an asynchronous operation and is done via ICO SQs. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>