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Jens Axboe 10f466abc4 io_uring: split alloc and add of overflow
Add a new helper, io_alloc_ocqe(), that simply allocates and fills an
overflow entry. Then it can get done outside of the locking section,
and hence use more appropriate gfp_t allocation flags rather than always
default to GFP_ATOMIC.

Inspired by a previous series from Pavel:

https://lore.kernel.org/io-uring/cover.1747209332.git.asml.silence@gmail.com/

Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
History 2025-05-17 18:46:50 -06:00
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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 reStructuredText 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.