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net/mlx5: DR, Add buddy allocator utilities
Add implementation of SW Steering variation of buddy allocator.
The buddy system for ICM memory uses 2 main data structures:
- Bitmap per order, that keeps the current state of allocated
blocks for this order
- Indicator for the number of available blocks per each order
Signed-off-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>