[v1.21.x]prov/efa: always use p2p for system memory #10398
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P2P is always available for host memory. Unregistered buffer will be regarded as host memory as EFA provider requires FI_MR_HMEM. Signed-off-by: Jessie Yang <jiaxiyan@amazon.com> (cherry picked from commit b0af713)
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shijin-aws
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Sep 18, 2024
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Backport #10392