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cf9ce3c8ab
mtr_umem_page_count() does the same thing, replace it with the core code. Also, ib_umem_find_best_pgsz() should always be called to check that the umem meets the page_size requirement. If there is a limited set of page_sizes that work it the pgsz_bitmap should be set to that set. 0 is a failure and the umem cannot be used. Lightly tidy the control flow to implement this flow properly. Link: https://lore.kernel.org/r/12-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com Acked-by: Weihang Li <liweihang@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.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.