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IB/ehca: Support large page MRs

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Add support for MR pages larger than 4K on eHCA2. This reduces
firmware memory consumption.  If enabled via the mr_largepage module
parameter, the MR page size will be determined based on the MR length
and the hardware capabilities -- if the MR is >= 16M, 16M pages are
used, for example.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Hoang-Nam Nguyen 2007-07-20 16:01:51 +02:00 • committed by Roland Dreier
commit 5bb7d9290c
5 changed files with 357 additions and 63 deletions
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