virtio_net: optimize mergeable_xdp_get_buf()

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The previous patch, in order to facilitate review, I do not do any
modification. This patch has made some optimization on the top.

* remove some repeated logics in this function.
* add fast check for passing without any alloc.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Xuan Zhuo 2023-05-08 14:14:05 +08:00 • committed by Jakub Kicinski

parent ad4858beb8

commit dbe4fec244

1 changed files with 14 additions and 15 deletions

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drivers/net/virtio_net.c

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