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b91e1751fb
There are many bad APIs here that are accepting a cache bucket index instead of a bucket pointer. Many of the callers already have a bucket pointer, so this results in a lot of confusing uses of order2idx(). Pass the struct mlx5_cache_ent into add_keys(), remove_keys(), and alloc_cached_mr(). Once the MR is in the cache, store the cache bucket pointer directly in the MR, replacing the 'bool allocated_from cache'. In the end there is only one place that needs to form index from order, alloc_mr_from_cache(). Increase the safety of this function by disallowing it from accessing cache entries in the ODP special area. Link: https://lore.kernel.org/r/20200310082238.239865-7-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.