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91398a960e
'max_rx_len' can be up to GBETH_RX_BUFF_MAX (i.e. 8192) (see 'gbeth_hw_info'). The default value of 'num_rx_ring' can be BE_RX_RING_SIZE (i.e. 1024). So this loop can allocate 8 Mo of memory. Previous memory allocations in this function already use GFP_KERNEL, so use __netdev_alloc_skb() and an explicit GFP_KERNEL instead of a implicit GFP_ATOMIC. This gives more opportunities of successful allocation. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.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.