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Mina Almasry says: ==================== Abstract page from net stack This series is a prerequisite to the devmem TCP series. For a full snapshot of the code which includes these changes, feel free to check: https://github.com/mina/linux/commits/tcpdevmem-rfcv5/ Currently these components in the net stack use the struct page directly: 1. Drivers. 2. Page pool. 3. skb_frag_t. To add support for new (non struct page) memory types to the net stack, we must first abstract the current memory type. Originally the plan was to reuse struct page* for the new memory types, and to set the LSB on the page* to indicate it's not really a page. However, for safe compiler type checking we need to introduce a new type. struct netmem is introduced to abstract the underlying memory type. Currently it's a no-op abstraction that is always a struct page underneath. In parallel there is an undergoing effort to add support for devmem to the net stack: https://lore.kernel.org/netdev/20231208005250.2910004-1-almasrymina@google.com/ Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Christian König <christian.koenig@amd.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Yunsheng Lin <linyunsheng@huawei.com> Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com> ==================== Link: https://lore.kernel.org/r/20240214223405.1972973-1-almasrymina@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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| kernel | ||
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| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| README | ||
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.