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02ea0a5115
Memory region could support at most 2 flush access flags: IB_ACCESS_FLUSH_PERSISTENT and IB_ACCESS_FLUSH_GLOBAL But we only allow user to register persistent flush flags to the pmem MR where it has the ability of persisting data across power cycles. So registering a persistent access flag to a non-pmem MR will be rejected. Link: https://lore.kernel.org/r/20221206130201.30986-5-lizhijian@fujitsu.com CC: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Li Zhijian <lizhijian@fujitsu.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.