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IB/mlx5: Add MR cache for large UMR regions

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In this change we turn mlx5_ib_update_mtt() into generic
mlx5_ib_update_xlt() to perfrom HCA translation table modifiactions
supporting both atomic and process contexts and not limited by number
of modified entries.
Using this function we increase preallocated MRs up to 16GB.

Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Artemy Kovalyov
2017-01-02 11:37:44 +02:00
committed by David S. Miller
parent c438fde1c2
commit 7d0cc6edcc
7 changed files with 239 additions and 247 deletions
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include/linux/mlx5/driver.h
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@@ -959,7 +959,7 @@ enum {
};
enum {
MAX_MR_CACHE_ENTRIES = 16,
MAX_MR_CACHE_ENTRIES = 21,
};
enum {