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duanqiangwen
738b54b9b6
ifconfig ethx up, will set page->refcount larger than 1,
and then ifconfig ethx down, calling __page_frag_cache_drain()
to free pages, it is not compatible with page pool.
So deleting codes which changing page->refcount.
Fixes: 3c47e8ae11 ("net: libwx: Support to receive packets in NAPI")
Signed-off-by: duanqiangwen <duanqiangwen@net-swift.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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.